Gerding Heating and Air Conditioning

Gerding Heating and Air Conditioning Providing HVAC work around Maine and New Hampshire.

Specializing in heat pumps, radiant heating, central air, gas fired boilers and furnaces, oil boilers and furnaces, water heaters and venting.
24 hour emergency service

Heating season is upon us! Why wait until it's too late? Schedule now to get get your oil or gas fired systems cleaned. ...
09/25/2025

Heating season is upon us! Why wait until it's too late? Schedule now to get get your oil or gas fired systems cleaned.

What does that get you?

• Deep cleaning of all heating components
• Full operations test of all zones and system itself
• System check over to ensure no issues or parts need attention
• Combustion efficiency test
• Peace of mind knowing you are ready for the season!

Feel free to call or email anytime with questions or availability!

Nice little before and after. Rinnai I120CN combi boiler installation
09/28/2023

Nice little before and after.
Rinnai I120CN combi boiler installation

Awesome project to be a part ofRinnai I120CN combi boiler, radiant in concrete plus radiant staple up with emergency pan...
09/28/2023

Awesome project to be a part of
Rinnai I120CN combi boiler, radiant in concrete plus radiant staple up with emergency panel radiator back up.
Fujitsu 24k 1-1 for main living
Fujitsu 12k 1-1 for second floor office space
And Fujitsu 18k 2-1 for basement

Rinnai EX11DTP and EC17DTP installation completed on 9-27-23
09/28/2023

Rinnai EX11DTP and EC17DTP installation completed on 9-27-23

Bradford white 50 gallon heat pump water heater installed and tankless coil from oil fired boiler removed. Now the cust...
09/04/2023

Bradford white 50 gallon heat pump water heater installed and tankless coil from oil fired boiler removed. Now the customer can shut off the oil and help the reduction of fossil fuel dependency!

Fujitsu AOU24RLXFZH with a 12,000 BTU floor unit for living room and 2 7,000 BTU wall units for each bedroom. Added wif...
09/04/2023

Fujitsu AOU24RLXFZH with a 12,000 BTU floor unit for living room and 2 7,000 BTU wall units for each bedroom. Added wifi to all 3 units customer will be very happy with the energy savings!

Fujitsu AOU24RLXFZH with a 12,000 BTU evaporator for customers living room and a 9,000 BTU evaporator for a game room.
09/04/2023

Fujitsu AOU24RLXFZH with a 12,000 BTU evaporator for customers living room and a 9,000 BTU evaporator for a game room.

After - Before boiler swap completed 8-16-23 Rinnai I120CN combi customer will no longer deal with no hot water issues!
08/16/2023

After - Before boiler swap completed 8-16-23
Rinnai I120CN combi customer will no longer deal with no hot water issues!

After - Before Boiler swap out completed on 8-1-23 1 - Crown TWB100 with tankless coil
08/03/2023

After - Before
Boiler swap out completed on 8-1-23

1 - Crown TWB100 with tankless coil

Installation completed on 7-29-231 - Fujitsu AOU18RLXFZH condenser 1 - Fujitsu ASUH12LPAS wall mounted evaporator 1 - Fu...
08/03/2023

Installation completed on 7-29-23

1 - Fujitsu AOU18RLXFZH condenser
1 - Fujitsu ASUH12LPAS wall mounted evaporator
1 - Fujitsu ASUH07LPAS wall mounted evaporator

Installation completed on 7-25-231 - Fujitsu AOU24RLXFWH condenser 1 - Fujitsu ASU24RLF wall mounted evaporator 1 - Fuji...
08/03/2023

Installation completed on 7-25-23

1 - Fujitsu AOU24RLXFWH condenser
1 - Fujitsu ASU24RLF wall mounted evaporator
1 - Fujitsu AOU24RLXFZH condenser
1 - Fujitsu ASUH12LPAS wall mounted evaporator
2 - Fujitsu ASUH07LPAS wall mounted evaporators

Installation completed on 8-2-23 1 - Fujitsu AOU15RLFFH condenser 1 - Fujitsu AGU15RLF floor mounted evaporator 1 - Fuji...
08/03/2023

Installation completed on 8-2-23

1 - Fujitsu AOU15RLFFH condenser
1 - Fujitsu AGU15RLF floor mounted evaporator
1 - Fujitsu AOUG15LZAH1 condenser
1 - Fujitsu ASUG15LZBS wall mounted evaporator

Address

Colonial Circle
Harrison, ME
04040

Opening Hours

Monday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

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