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Astar Heating & Air Conditioning Inc
4.8(
138
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Install - For Business+4 more

Serving Johnsburg, NY and surrounding areas

In business since 1976

Free estimates

Emergency services offered

"I had an Absolutely Fantastic Experience!! My husband & I were so lucky to have gotten Jason Scharf to come out to our home, he was very insightful, helpful, courteous and very professional. Jason explained step-by-step what he was doing along the way & what would work best within our home with 4 different price ranges that would work for us. Jason was very informative. He mentioned and advised me on some items that would require attention on a monthly basis which I was grateful for. Upon completion, he reviewed the bill and explained any questions that I had. I was very pleased. Overall, Jason’s work was outstanding. I would recommend Jason from Astar to anyone I know that is in need of a central air system in their home. He was one of the kindest, funny and coolest Design Specialists by far. Thanks again Jason you're the Best! We can't wait for everything to be completed."
Red Carpet Treatment
Furnace
AC
Recommended by98%of homeowners
Avatar for Sure Temp Heating A/C & Refrigeration
Sure Temp Heating A/C & Refrigeration
4.7(
23
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Johnsburg, NY and surrounding areas

In business since 1977

Emergency services offered

Credit card accepted

"We have used Sure-Temp over the years from 2007 through 2011. They have done lighting upgrades to installing new ductless- split Air Conditioning systems to repairing our Carrier systems. They have always tried to make the most energy Efficient choices and have led us in good directions each time we have used them. We have spent over $40,000 with them for work over the years.
There was some warranty work to do on the ductless-split systems and it was handled well by Sure-Temp.
We will continue to use them in the future."
Recommended by100%of homeowners
Avatar for Principe Heating & Cooling
Principe Heating & Cooling
4.7(
19
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Johnsburg, NY and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Our central air was not working during one of the hottest weeks of the summer and with a newborn baby we could not wait to have it fixed. We called Don and he came immediately to fix the issue and our air was in perfect order within 20 minutes. Don is professional, quick and an asset to our community."
Boiler installation
Boiler installation
3 zone with indirect water tank
Complete installation
AC Maintenance

+11

Response time1 day
Recommended by100%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+3 more

Serving Johnsburg, NY and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
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Air Conditioning questions, 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. 

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

The standard rule for return duct sizing is that the return vent should be the same size or larger than the supply vent. This will ensure balanced airflow in your home and reduce strain on your HVAC system.

It all depends on the unit’s SEER (seasonal energy efficiency ratio). A higher SEER rating means better efficiency and lower costs for your energy bills. 

Take a look at the product you’re considering purchasing and compare it to other models to decide which one is affordable upfront but will keep your energy costs low over time.

Professional HVAC installation requires licensed expertise in several areas, including electrical- and plumbing-related work. An HVAC team must know how to safely handle regulated refrigerant chemicals and the gas, oil, or propane used in furnaces and boilers. A proper HVAC installation protects your home from energy loss, fires, and even carbon monoxide leaks.

The Johnsburg, NY homeowners’ guide to air conditioning services

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