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TRUSTED BY FRANKLIN, NJ HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon177
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Franklin - Updated Nov 2026

Avatar for Speer Air
Speer Air
4.6(
165
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+7 more

Serving Franklin, NJ and surrounding areas

Approved

In business since 1958

Free estimates

Emergency services offered

"I have used Speer Air for several years for HVAC preventive maintenance at my home. We recently expanded and they installed a package unit to take care of the expansion space. The work was good and they have been back for adjustments as necessary."
Residential Attic Install
Commercial Multi Unit Install
Guardian Series
Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for J&M Cooling/Heating, LLC
J&M Cooling/Heating, LLC
4.6(
23
)
Central Air Cleaner - Repair or ServiceDuctless Mini-split Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - Repair+7 more

Serving Franklin, NJ and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"I can't say enough great things about J & M Cooling and Heating! The installation of my new central air system was an outstanding experience. A special thank-you to Dan, the supervisor, who made sure everything went smoothly from start to finish. He was professional, knowledgeable, patient, and took the time to answer all of my questions. It was clear that he genuinely cared about making sure the installation was done right and that I was completely satisfied. I also want to recognize the incredible installation team. They spent days working in an extremely hot attic installing my new system, and despite the challenging conditions, they never once complained. They worked tirelessly, stayed professional, and remained courteous and respectful the entire time. Their work ethic, positive attitude, and attention to detail were truly impressive. They treated my home with great care and left everything clean when the job was finished. My new central air system is running perfectly, and I"
Crown Hot Water Boiler replacement 82% Efficient
A/C & Boiler Replacement
A/C & Boiler Replacement
A/C & Boiler Replacement
A/C & Boiler Replacement

+8

Response time7 hrs
Recommended by95%of homeowners
Avatar for RAP Electric Co., Inc.
RAP Electric Co., Inc.
4.6(
137
)
Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Franklin, NJ and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Did all we needed quickly and in one day. Friendly, enjoyed having him in my house. Very reasonable price, really thought it would be much more. I had others working in my house while he was here and he worked very well around and with them. Great overall electrician."
Response time2 hrs
Response rate93%
Recommended by90%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

The simplest indicator is how long it’s been since your last tune-up. You should schedule an annual AC tune-up each spring. Beyond that, there are multiple signs that your AC needs a quick check by a professional. These issues include higher-than-average energy bills, decreased air flow from vents, higher indoor temperatures, and an air conditioning unit that stays on all the time or frequently turns on and off.

If left untreated, a frozen AC unit can lead to costly damage, especially to the compressor and evaporator coils. When ice forms on the evaporator coils, they become brittle and more susceptible to breaking. Plus, a freeze makes your AC system much less efficient, which means it's wasting energy and costing you more in your monthly energy bills.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

There are many recognizable symptoms of AC compressor failure. They include loud banging noises, hot air being continually circulated in your home despite running the AC at full blast, uneven airflow and cooling, and electrical issues like constant surges due to the compressor working overtime. While some of these symptoms, like uneven cooling, can have other root causes, they are common indicators of compressor problems.

There are a few ways to reduce your electricity bills if you use window AC units to keep cool. Set the unit temperature at least 1 degree higher than it is currently to reduce costs. Keep the unit clean for it to run efficiently. You may want to hire a window AC specialist near you to inspect the unit once a year and keep it in tip-top shape.

The Franklin, NJ homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.