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TRUSTED BY HIGHLAND, NY HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon225
    Verified heating and air conditioning services reviews

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

Avatar for Sync Mechanical, Inc.
Sync Mechanical, Inc.
5.0(
20
)
Central A/C - InstallGas Boiler or Radiator Heating System - InstallGeothermal Heating or Cooling System - Install+47 more

Serving Highland, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Jon was immediately responsive and helpful. I explained my situation and that I was concerned I might need to replace my furnace (a opinion from another company). He stated he would just come do a diagnostic and we could go from there. That diagnostic fee was very reasonable. The tech came, stating that it was likely the "board" that needed replacing. They ordered the part and immediately came out and finished my mix. A HUGE RELIEF that I did not have to replace the furnace right before winter. So for once I felt like I was being dealt with honestly, and they went above and beyond. I will call them with ANY of my HVAC/Plumbing needs. Thank you Jon and the techs at Sync! I'm still WARM!!"
Heating and air conditioning equipment replacement
Heating and air conditioning equipment replacement
Additional Photos
Additional Photos
Additional Photos

+5

3 neighbors recently requested a quote
Recommended by95%of homeowners
Joe's Plumbing, Heating & Air Conditioning
4.6(
84
)
Oil Boiler or Radiator Heating System - InstallOil Furnace / Forced Air Heating System - InstallDucts & Vents - Install or Replace+26 more

Serving Highland, NY and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"This week, when our A/C started malfunctioning we called Joe to have it serviced. We could not have been happier. Joe respondend very promptly to our call and resolved all our issues in very little time and at a very fair price. He's the type of honest, friendly, and professional neighbourhood company everybody wishes to have. We highly recommend him."
Response time2 days
6 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for AERODROP Service Providers
AERODROP Service Providers
4.8(
42
)
Geothermal Heating or Cooling System - InstallGeothermal Heating or Cooling System - Service

Serving Highland, NY and surrounding areas

Approved

In business since 2005

Emergency services offered

Credit card accepted

"I am a fan. Just met James today but we'll bring all of our HVAC work to him going forward. He probably could have sold me a brand new air conditioner today but told me I didn't need it. Other companies maybe not so honest in my experience. I highly recommend you work with this company over any other HVAC company. Thanks James."
Completed Installation
Before Installation
Short to ground
Location of compressor terminals
Importance of maintaining equipment

+8

Response time2 hrs
Response rate85%
Recommended by87%of homeowners
Affordable Heating & Cooling of NY Inc.
4.3(
53
)
Central A/C - Service or RepairOil Boiler or Radiator Heating System - RepairGas Boiler or Radiator Heating System - Repair - For Business+15 more

Serving Highland, NY and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"All Seasons Comfort HVAC has done two different systems installation for me. They have also provided service work and regular maintenance on these systems. Their quality of service, their pricing, and the work that the licensed HVAC Technicians have done for me have always exceeded my expectations. Based on these past experiences, I highly recommended this company!"
Response time4 hrs
Response rate86%
8 neighbors recently requested a quote
Avatar for All Bases Covered Mechanical
All Bases Covered Mechanical
4.6(
37
)
Gas Furnace / Forced Air Heating System - RepairCentral A/C - InstallCentral A/C - Service or Repair+4 more

Serving Highland, NY and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"Frank and his crew were great! Quick response to my request and they came to do the job just as fast. Checked every detail of my AC system and now it’s ready for the warmer weather. Very honest, personable and one you can trust! I highly recommend All Bases Covered Mechanical for all your HVAC needs! Thank you!"
Response time6 hrs
13 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Archibald Heating & Air Conditioning
Archibald Heating & Air Conditioning
3.8(
53
)
Oil Furnace / Forced Air Heating System - InstallCentral A/C - InstallGas Furnace / Forced Air Heating System - Install+13 more

Serving Highland, NY and surrounding areas

Approved

In business since 1938

Free estimates

Emergency services offered

"They did a great job removing my old oil furnace and installed a a new propane furnace and heat pump. They were on time, efficient and reasonably priced. I plan to use them for future work and would easily recommend Archibald Heating and Air Conditioning."
Energy Kinetics Boiler
Hybrid Heating System
Response time2 days
9 neighbors recently requested a quote
Recommended by93%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

ACs don't run on water. They're not connected to drain pipes or any part of your plumbing system. However, they need refrigerant to run. Refrigerant is a gas or liquid that has a low boiling point and absorbs the heat in your home. ACs need this in order to be functional and cool your home. If you suspect your AC is low on refrigerant, you need to contact a licensed HVAC professional. Refrigerant is a dangerous chemical that requires specialized training and permits to work with. 

While an air conditioner can temporarily run with a dirty filter, it is not recommended as it will not work efficiently. A dirty filter forces the system to work harder to circulate cool air, leading to reduced airflow, increased wear and tear, and higher energy bills. This added strain can cause the air conditioner to overheat or fail prematurely. Furthermore, a clogged filter may allow dust and dirt to accumulate in your ductwork, negatively impacting air quality. It is more cost-effective to clean or replace filters regularly than to pay higher utility bills and risk needing to replace the entire AC unit.

To extend your HVAC system’s lifespan, it’s crucial to keep up with maintenance. This includes changing filters and thermostat batteries, keeping the outside unit clean and clear of clutter, and lubricating moving parts. Watch out for leaks, mold buildup, and blockages to ensure your unit stays in good working order. Spotting these issues early can be the difference between a simple, wallet-friendly repair and an expensive replacement.

Dry mode positively impacts indoor air quality by reducing excess moisture, which stops the growth of mold and mildew. By maintaining optimal humidity levels, dry mode creates a less hospitable environment for allergens and airborne pathogens, improving overall air quality. However, it's essential to ensure proper ventilation to prevent stale air accumulation.

Most HVAC service calls include diagnostic fees, which could include checking on a specific issue you’re experiencing or running through a routine inspection checklist. If you called for a particular problem, the service call will also include an estimate to fix the issue, including materials and labor. Depending on your HVAC technician and the service you requested, you might also get a general inspection of your system components to ensure everything is working as intended.

The Highland, NY 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.