Staying ahead of HVAC problems keeps your home comfortable. Whether you own a rowhouse in Drexel Hill, manage a portfolio of rental units across Delaware County, or run a small commercial property, you need an HVAC contractor who handles the full range of heating and cooling work, not just one season or one type of system.
We cover it all. AC repair, heating repair, heat pump service, full system installation and replacement, ductwork, thermostats, indoor air quality, seasonal maintenance, and emergency HVAC service when your system goes down at the worst possible time. We're your neighbors, and your comfort is personal to us.
Same-day service is available for urgent calls. Call us and we'll handle the rest.
Good HVAC work isn't complicated, it's just done right, and these are the jobs we handle every day for homes and businesses across the area.
When your air conditioner stops cooling, starts blowing warm air, or quits entirely, we diagnose the problem and get it fixed. A service visit covers everything from refrigerant leak diagnosis to condenser and compressor service, airflow troubleshooting, and uneven-temperature complaints. We check the full system, tell you exactly what we found, and get the repair done the same day when parts allow. A spring tune-up before the heat arrives can head off most of those mid-summer breakdowns before they start.
A furnace that won't heat, blows cold air, or shuts down unexpectedly is not a problem to put off, especially during a Delaware County winter. We handle furnace diagnosis, heat exchanger inspection, and no-heat calls for all major equipment types. Emergency and same-day furnace repair is available when you need it most. If your furnace has reached the end of its useful life, we will walk you through replacement options so you can make a confident decision.
Heat pumps handle both heating and cooling, which makes them a practical fit for the mid-Atlantic climate. When a heat pump stops heating in January or fails to cool in July, we diagnose the issue, repair what needs repairing, and advise on replacement when the system has run its course. We also install new heat pump systems for homeowners who are ready to move away from fossil fuel equipment or who want a single system that works year-round.
When a system is aging, unreliable, or simply no longer the right fit for the home, replacement is often the smarter call. A general rule: if the repair cost approaches half the value of the equipment and the system is more than 10 to 15 years old, replacement usually wins on cost and comfort. We handle full HVAC system installation and replacement for all equipment types, from central air and forced-air heating to ductless systems and heat pumps. Call (484) 465-3289 to request an estimate.
A thermostat that is not working correctly wastes energy and makes a comfortable home harder to maintain. We install and replace standard thermostats as well as smart thermostats and programmable controls that give you better command over your system. An upgrade here is one of the more cost-effective ways to improve comfort and reduce energy waste without touching the equipment itself.
Leaking ductwork is one of the most common reasons a home heats or cools unevenly. Conditioned air escapes before it reaches the rooms that need it, and the system works harder than it should. We inspect, repair, and seal ductwork to restore even airflow and reduce energy waste. If your utility bills are creeping up or certain rooms never seem to reach the right temperature, the ductwork is worth a look.
When the job is done, we leave your home clean and comfortable, and that includes the air inside it. We install whole-home air filtration systems and air purifiers that reduce dust, allergens, and airborne particles circulating through your HVAC system. If anyone in the household deals with allergies, asthma, or general air quality concerns, an indoor air quality inspection is a practical starting point.
Annual HVAC maintenance is the single best way to extend system life, avoid breakdowns, and keep energy costs predictable. A spring tune-up prepares your AC for summer demand. A fall checkup gets your heating system ready before the first cold snap. We run a full diagnostic on each visit and flag anything that looks like a problem before it becomes one.
Delaware County sits in the mid-Atlantic zone, cold and wet in winter, humid in summer, with some of the oldest housing stock in the country. Many homes in and around Drexel Hill were built decades before central air conditioning was standard, and a large share still run on boiler systems, oil heat, or window units. These are the jobs that come up most often here, and they are work we know well.
Steam and hot-water boiler systems heat a significant share of older homes across Delaware County, and they require a technician who understands how hydronic systems behave differently from forced-air equipment. We repair, maintain, and replace boilers of all types. A boiler service visit covers pressure and temperature checks, zone valve and circulator inspection, and a full system diagnostic. When a boiler reaches the end of its life, we handle replacement and help you choose the right system for the home. Reliable boiler performance matters when mid-Atlantic winters arrive without warning.
The Northeast holds a disproportionate share of the country's oil-heated homes, and Delaware County is no exception. Many homeowners here are weighing a switch away from oil as fuel costs and equipment age push the decision forward. We handle the full conversion process, from removing the existing oil equipment to selecting and installing a gas furnace, boiler, or heat pump system that fits the home. Conversion is a significant project, and we walk through the options with you so the decision makes sense for your situation, your home, and your long-term comfort goals.
Older Drexel Hill homes and room additions frequently lack the ductwork needed for a central system. A ductless mini-split solves that problem cleanly. We install single-zone and multi-zone mini-split systems that deliver targeted heating and cooling to specific rooms without requiring ductwork. Mini-splits also work well as a supplement to an existing system when one area of the home consistently runs too hot or too cold. We also service and repair existing mini-split systems when they stop heating or cooling as they should.
Doing HVAC work right matters, and we'll help you get it right, whether you are a homeowner dealing with a broken furnace or a property manager coordinating service across multiple units. We work with landlords, building owners, and small commercial clients throughout Delaware County who need a reliable contractor they can call without chasing down a different company every season.
We show up on time and ready to work, with the tools and parts on hand to handle the most common repairs without a second trip. For commercial clients, that responsiveness keeps tenants comfortable and reduces the disruption a system failure causes to operations. Call (484) 465-3289 to schedule service for your property.
No heat in the house. No cooling during a heat wave. System running but not doing anything useful. These are not situations where waiting a few days is realistic. We take urgent HVAC calls and offer same-day and after-hours service for heating and cooling emergencies throughout the area. Weekend calls are handled the same way as weekday calls.
We stand behind every system we service, and that commitment extends to the calls that come in at inconvenient hours. If your system is down, call (484) 465-3289 and we will get someone out.
Here's what most people get wrong about their HVAC system: they wait too long to call because they are not sure what the visit will look like. It is straightforward. You call, we schedule a time that works, and a qualified HVAC technician arrives ready to diagnose the problem. We inspect the system, identify the fault, and give you straight answers about your furnace, AC, and ductwork, no surprises. You hear what we found, what it takes to fix it, and what the repair or replacement will involve before any work begins.
We find the fault. We make the repair. We restore the comfort.
Pick up the phone and we'll get started.
We are based in Drexel Hill and serve the communities around it throughout Delaware County. If you are nearby, we are local. Our service area includes Upper Darby, Havertown, Springfield, Lansdowne, Clifton Heights, Broomall, Ardmore, and Swarthmore, along with the broader Delaware County region.
When you call, you reach someone who knows the area, understands the housing stock, and can get a technician to your door without a long wait. That local accountability is something we take seriously.
A boiler service visit covers pressure and temperature checks, zone valve and circulator inspection, burner condition, and a full system diagnostic to identify anything that could cause a problem through the heating season. We also check hydronic balance to make sure heat is reaching every zone evenly. If we find something that needs attention, we explain it clearly before any repair work begins.
We remove the existing oil equipment, help you select the right heat pump system for the home, and manage the full installation of the new equipment. A heat pump handles both heating and cooling from a single system, which is a practical fit for Delaware County's four-season climate. We walk through the options with you before anything is scheduled so the decision makes sense for your home and long-term comfort goals.
A ductless mini-split delivers heating and cooling directly to a room or zone without requiring ductwork. An outdoor unit connects to one or more indoor air handlers through a small conduit run, so there is no need to open walls or ceilings to run ducts. For older homes, room additions, converted attics or basements, and detached spaces, it is often the cleanest and most practical solution.
We start with a full system inspection: checking the thermostat, testing electrical controls, inspecting the heat exchanger or coil, measuring airflow, and running the equipment through its operating cycle. We narrow the fault down systematically rather than guessing. Once we know what is causing the problem, we explain it to you in plain terms before recommending a repair.
Uneven temperatures are usually caused by duct leaks, an undersized or improperly balanced system, or a zone control issue. In older homes without ductwork, a room addition or converted space may simply not have adequate coverage from the existing system. We diagnose the cause rather than assuming, because the fix depends on what is actually driving the imbalance.
Banging, rattling, and squealing each point to different problems. A banging sound often indicates a loose or broken component inside the blower or compressor. Squealing usually points to a worn belt or failing motor bearing. Rattling can mean loose panels, debris in the system, or a failing part. None of these should be ignored, because what starts as a noise often becomes a more expensive repair if the system keeps running.
A frozen evaporator coil restricts airflow and prevents the system from transferring heat effectively, which shows up as weak or warm air coming from the vents even though the unit is running. Ice on the refrigerant lines near the indoor unit is a visible sign. The underlying cause is usually low refrigerant, restricted airflow from a dirty filter or blocked return, or a failing blower. We diagnose which issue is driving the freeze before recommending a fix.
Frequent repairs, rising energy bills, uneven temperatures throughout the home, and a system age of more than 15 years are the most common indicators. If the system is struggling to maintain comfort even when it is running, that is worth a diagnostic visit. We give you an honest assessment of whether repair or replacement makes more sense for your situation.
A repair addresses a specific failed component and makes sense when the rest of the system is in good condition and the cost is reasonable relative to the equipment's remaining life. Replacement makes more sense when the system is aging, repairs are becoming frequent, or the equipment is no longer efficient enough to justify continued investment. We lay out both options clearly so you can decide with full information.
The right answer depends on the age and condition of your current equipment, the type of system you have now, and what you want from your heating and cooling long term. A heat pump conversion is worth considering if your existing equipment is oil-fired and aging, since a heat pump handles both heating and cooling in a single system. We walk through the tradeoffs with you before recommending anything.
Clear a path to the furnace or air handler, the outdoor unit, and any registers or vents the technician may need to access. If equipment is in a basement or utility room with stored items in front of it, moving those ahead of time helps the visit go faster. Keeping pets and children away from the work area during the visit is also appreciated.
Family-owned. Locally rooted. Comfort is our business.
Delaware Valley Air Conditioning & Heating is a full-service HVAC contractor serving residential and commercial customers throughout Drexel Hill and Delaware County. We handle everything from routine maintenance and emergency repairs to full system installation and equipment conversions, with qualified technicians on every job and service available when you need it most.
Call (484) 465-3289 for a quote or to schedule service. We are ready when you are.
We handle the full range of heating and cooling work for homes and businesses across Delaware County, from a straightforward AC repair to a full boiler conversion. The table below lays out what each service covers, who it fits, and a practical note to help you decide where to start. If you have questions after looking it over, call us and we will give you a straight answer on what your system needs.
| Service Type | Scope of Work | Best Suited For | Helpful Details |
|---|---|---|---|
| Seasonal Maintenance & Tune-Ups | Spring AC tune-up, Fall heating tune-up, Filter and component inspection, Performance and safety checks | Any home or commercial property that wants to avoid unexpected breakdowns | Twice-a-year tune-ups catch small problems before they become expensive repairs and keep systems running efficiently |
| Ductless Mini-Split Installation | Single-zone and multi-zone mini-split installation, Equipment sizing for the space, Clean installation without ductwork, Heating and cooling in one system | Older homes without ductwork, room additions, converted attics or basements, and detached spaces | Mini-splits are a common solution throughout Delaware County where running new ductwork is not practical |
| Heating & Furnace Repair | Gas and oil furnace diagnosis, Heat exchanger inspection, Blower motor and control service, Short-cycle and no-heat troubleshooting | Any home or building losing heat during Pennsylvania winters | A furnace that short-cycles or blows cold air often has a fixable cause; early diagnosis keeps repair costs down |
| Emergency HVAC Service | Same-day availability for urgent calls, After-hours response, No-heat and no-cool situations, System-down diagnosis and repair | Anyone whose heating or cooling system has failed without warning | We serve Delaware County with same-day and after-hours availability; call us and we will get someone out to you |
| Heat Pump Repair & Service | Refrigerant and reversing valve diagnosis, Year-round heating and cooling troubleshooting, Defrost cycle inspection, Full heat pump diagnostics | Homes with a heat pump that is underperforming in heating or cooling mode | Heat pumps handle both seasons, so a problem in one mode usually points to a component that affects both |
| Full System Installation & ReplacementMost Popular | New AC, furnace, or full HVAC system, Equipment sizing and selection guidance, Upfront pricing before work begins, Complete removal of old equipment | Homeowners whose system is aging, repeatedly failing, or no longer cost-effective to repair | Most full replacements are completed in a single day; we walk you through options before any work begins |
| Oil-to-Gas & Heat Pump Conversion | Removal of oil heating equipment, Heat pump or gas system installation, Equipment sizing for the existing structure, Coordination through the full conversion process | Oil-heated homes ready to move to a more efficient or lower-maintenance system | A heat pump conversion covers both heating and cooling in one system, which is practical in a region with real winters and humid summers |
| Ductwork Repair & Sealing | Duct leak detection and sealing, Repair of damaged duct sections, Airflow balancing, Energy-loss assessment | Homes with uneven temperatures, high energy bills, or rooms that never seem to reach the set temperature | Leaking ducts are one of the most common and overlooked causes of comfort problems in older homes |
| Indoor Air Quality & Air Filtration | Whole-home air purifier installation, UV air purifier and air scrubber service, HVAC filter upgrades, Whole-home humidifier installation | Households concerned about dust, allergens, or dry indoor air during winter | Pennsylvania winters can drop indoor humidity significantly; a whole-home humidifier addresses that at the system level |
| AC Repair & Service | Diagnosis and repair of cooling failures, Refrigerant leak detection, Condenser and evaporator coil service, Airflow and comfort troubleshooting | Homeowners and property managers with a system that is not cooling or not turning on | Most repairs can be completed in a single visit when parts are on hand; catching problems in spring avoids peak-summer delays |
| Thermostat & Smart-Control Installation | Programmable and smart thermostat installation, Wiring diagnosis and correction, Configuration and setup, Replacement of unresponsive thermostats | Homeowners looking for better comfort control or more consistent temperatures | A properly configured smart thermostat can reduce unnecessary run time without sacrificing comfort |
| Boiler & Hydronic Heating Service | Burner inspection and service, Zone valve and pressure checks, Hydronic system balancing, Seasonal boiler tune-ups | Older Delaware County homes with hot-water radiator or hydronic heating systems | Many homes in this area rely on boiler heat; qualified attention each season keeps these systems safe and efficient |
How do I know if my system needs a repair or a full replacement?
A few factors point toward replacement: the system is more than 10 to 15 years old, the repair cost is approaching half the value of the equipment, or the same components keep failing. We walk you through both options honestly so you can make a confident decision. We will not push a replacement when a repair is the right call.
What are the signs that my AC or furnace is starting to fail?
Common signs include a system that short-cycles, runs constantly without reaching the set temperature, makes unusual noises, or produces uneven temperatures from room to room. Higher-than-normal energy bills without a change in usage can also signal a system that is working harder than it should. If you notice any of these, it is worth having a technician take a look before a small problem becomes a larger one.
Why is one room always hotter or colder than the rest of the house?
Uneven temperatures usually point to one of three things: a duct leak or restriction that is starving certain rooms of conditioned air, an equipment sizing issue, or a zone control problem. We diagnose the actual cause rather than guessing, and we explain what we find before any work begins.
Same-Day and Emergency Availability
When your heat goes out in January or your AC fails in July, waiting is not an option. We offer same-day availability and after-hours response for urgent heating and cooling situations across Delaware County.
How often should I schedule maintenance and tune-ups?
Twice a year is the standard: a spring tune-up before cooling season and a fall tune-up before heating season. Each visit covers filters, coils, burners or refrigerant levels, and safety checks depending on the equipment. Staying on that schedule catches small problems early and keeps the system running efficiently through the season.
What does a seasonal tune-up actually cover?
A tune-up is not just a filter swap. For a furnace or boiler, it includes burner inspection, heat exchanger or combustion checks, blower or pump service, and a safety review. For an AC or heat pump, it covers coil cleaning, refrigerant level checks, electrical connections, and airflow testing. Work is performed by qualified HVAC technicians who document what they find.
What causes a system to short-cycle?
Short-cycling, where the system turns on and off more frequently than it should, can come from an oversized unit, a dirty filter or coil restricting airflow, a refrigerant issue, or a control or thermostat problem. It puts extra wear on the equipment and reduces comfort. We diagnose the root cause rather than treating the symptom.
Upfront Quotes With No Surprise Fees
We give you a clear number before any work begins. If something unexpected comes up once we are into the job, we explain it and get your approval before continuing. What we quote is what you pay.
Do I need to be home when the technician arrives?
Someone does need to be available to provide access to the equipment and to review the findings before work begins. If you cannot be there in person, we can work with a property manager or another adult who has access and can authorize the work. Just let us know when you call.
How does your pricing and quoting process work?
We give you a clear number before work begins. If something unexpected comes up once we are into a job, we stop and explain it before moving forward. There are no charges added after the fact. What we tell you before the work is what you pay when it is done.
Experienced With Older and Newer Systems
Delaware County's housing stock runs the range from century-old homes with boiler heat to newer construction with modern heat pumps. We are familiar with both ends of that spectrum and everything in between.
What should I know about converting from oil heat to a heat pump or gas system?
Oil-to-gas and oil-to-heat-pump conversions are among the most common projects we handle in this area. A heat pump is particularly practical here because it handles both heating and cooling in one system. We manage the equipment side of the conversion, size the new system correctly for the home, and make sure everything is set up right from day one.
Can you cool or heat a space that does not have existing ductwork?
Yes. A ductless mini-split is designed for exactly that situation. Older homes, room additions, converted attics, and detached garages are all common candidates. We assess the space, size the equipment for it, and install the system without opening walls to run ducts. The result is reliable heating and cooling right where you need it.
What do strange noises from my HVAC system usually mean?
Banging or clanking often points to a loose or failing mechanical component. Squealing can indicate a belt or motor bearing issue. Rattling sometimes means debris in the system or a loose panel. Gurgling in a boiler or hydronic system can signal air in the lines or a pressure issue. None of these should be ignored; a technician can usually identify the source quickly.
Call (484) 465-3289 and we will give you a straight answer on what your system needs and what it will take to get it right.
(484) 465-3289