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Best heating and air conditioning pros near Guilderland, NY

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TRUSTED BY GUILDERLAND, NY HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon164
    Verified heating and air conditioning services reviews

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

Avatar for Adams Heating & Cooling Inc
Adams Heating & Cooling Inc
4.7(
233
)
Gas Furnace / Forced Air Heating System - InstallCentral A/C - InstallOil Boiler or Radiator Heating System - Install+47 more

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1968

Free estimates

Emergency services offered

"Furnance replacement by technicians Don and Llaurence and the emergency technicians were excellent and knowldgeable of HVAC systems. Service is excellent. There mess was left behind. All my communications with Adams Heating and Cooling Co were positive and very helpful."
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+23

Response time1 day
4 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Aircon Heating and Cooling Service LLC
Aircon Heating and Cooling Service LLC
5.0(
19
)
Gas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Install+1 more

Serving Guilderland, NY and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Specializing in residential and light commercial HVAC. We provide expert diagnostics, repairs, maintenance, and full system installations for furnaces, air conditioners, ductless mini splits, rooftop units, and walk-in refrigeration systems. \nOur goal is simple-deliver reliable, honest service with fast response times and quality workmanship. Whether it is a no-heat emergency, AC replacement, or routine maintenance, our team is committed to keeping you home or business comfortable year-round

New Furnace
A/C Replacement
Furnace Replacment
A/C Replacement
3 neighbors recently requested a quote
Recommended by61%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 Guilderland, NY and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"Had an oil to lp gas conversion. Needed to replace the boiler, existing hot water tank and remove the oil tank. Joe's Plumbing gave a great price, neat work, honest and easy to work with. The materials were high quality and they finished a head of schedule."
Response time2 days
6 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for FloBros Heating & Cooling
FloBros Heating & Cooling
5.0(
8
)
Gas Furnace / Forced Air Heating System - RepairThermostat - Install or ReplaceCentral A/C - Service or Repair+9 more

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Integrity, Service, Professionalism & “Technical Know How” - if you are looking for this in a HVAC company – FloBros should be your go to service provider. I’ve worked the Capital District’s Top Tier providers & they fall short where FloBros excels. When I looked to the “big guys” for a simple service request they immediately “blew up” a small request into a new installation. FloBlos was sharp in trouble shooting & to the point in options, I’ve used them multiple times now & will continue to do so in the future. Look no further than FloBros for your HVAC needs!!!"
New AC
Mini Split Heat Pumps
Response time5 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Crisafulli Bros. Home Services
Crisafulli Bros. Home Services
4.7(
73
)
Air Ducts & Vents - CleanGas Furnace / Forced Air Heating System - InstallCentral A/C - Install+22 more

Serving Guilderland, NY and surrounding areas

Approved

In business since 1939

Credit card accepted

Offers commercial services

For over 85 years, Crisafulli Bros. Plumbing & Heating Contractors, Inc. has provided plumbing, sewer and drain, heating and cooling design, installation, service, scheduled maintenance, and electrical services to our clientele. Founded in 1939, our company now spans three generations combining the pride and craftsmanship you expect from a locally owned and operated family business with the resources and knowledge available from a large national company. With a growing workforce and a fleet of vehicles driving around every upstate NY neighborhood, Crisafulli Bros. is one of the largest mechanical contracting companies in the Capital Region. Our vast resources and commitment to quality led to us being recognized as the Best of the Capital Region for over 16 straight years and named a Top Work Place. We have set the standard for plumbing, heating, cooling, and electrical craftsmanship in the region.

Response time9 hrs
Response rate86%
46 neighbors recently requested a quote
Avatar for NorthView Cleaning & Maintenance
NorthView Cleaning & Maintenance
5.0(
17
)
Air Ducts & Vents - Clean

Serving Guilderland, NY and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

As a family-owned business, we here at Northview Cleaning & Maintenance want to treat your home just as well as we treat our own. We offer and guarantee a comprehensive cleaning that will make your home sparkle and shine, and provide comfort and warmth for you and your loved ones. We specialize in those demanding and difficult jobs that you hate to do, but love when the job is finished. Your windows, your house siding, even your carpets, will take on a shine and cleanliness that will afford you and your family the peace of mind and welcoming atmosphere you deserve. At Northview Cleaning & Maintenance, we take pride in our work, so you can take pride in your home. \n \nNorthview Cleaning & Maintenance also services commercial properties of all kinds. From the impression you make on prospective clients, to the state of mental well-being for your office workers, every business should present a calm, smooth, and serene environment, rendered clean and spotless by our meticulous team.

Clean Carpet Living Room
House Washing
Gutter Cleaning
Before/After Gutter Cleaning
Deck Washing

+23

Response time5 hrs
Response rate95%
19 neighbors recently requested a quote
Avatar for Pro Services
Pro Services
4.8(
151
)
Air Ducts & Vents - Clean

Serving Guilderland, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

"Steve and team did an amazing job. They replaced the fireplace flue and left no dust and were very careful around the house and the roof. Excellent work, happy customer. Thanks!!"
Chimney Cap Installation
Smoke chamber before
Chimney Sweep Project
Fireplaces Project
Chimney Sweep Project

+36

Response time4 days
Response rate100%
47 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

A dual evaporator coil is a specific design that allows the AC system to cool different compartments at different levels. It’s usually seen in refrigerators and similar appliances, but not in whole-house air conditioning systems. Talk with your AC technician about the best uses for a dual evaporator coil.

It’s critical to use the right size AC for your space and not go too small or too big. If you purchase an undersized unit, it won’t properly cool your house, and it has to work harder to reach the optimal temperature. This will eventually wear your unit out. An oversized unit can spell trouble because it will turn off and on more frequently, which also wears out your AC unit. An oversized unit also causes humidity in the home.

No, it's not advisable to only replace the outside AC unit connected to your system. AC units are designed to work as a cohesive system, and older units work differently than newer units. Therefore, replacing only one component can lead to incompatibilities that affect the system’s performance. Replacing one component can void your warranty, costing you money for repairs.

The Guilderland, 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.