Connolly Heating and Air Conditioning

Connolly Heating and Air Conditioning We are heating and cooling professionals! We maintain a high level of quality among our staff. Proud to be family owned since 1971.

Service and installation of quality heating and air conditioning equipment, indoor air quality, duct design, duct replacement, solar electricity and Generac generators. All of our installers and technicians are trained on a regular, on-going basis. Bonded & Insured
Licensing Numbers: B 268327 | HVAC 658796

In Concord we completed the ac maintenance that’s part of the Club Connolly maintenance plan
06/11/2026

In Concord we completed the ac maintenance that’s part of the Club Connolly maintenance plan

Small footprint. BIG performance 😎❄️☀️We just installed a brand new Carrier inverter-driven 2.5-ton heat pump — deliveri...
06/11/2026

Small footprint. BIG performance 😎❄️☀️

We just installed a brand new Carrier inverter-driven 2.5-ton heat pump — delivering next-level comfort with ultra-efficient, variable-speed technology.

That means smarter operation, quieter performance, and steady temperatures all year long 🔥❄️

Comfort that adjusts to you… not the other way around 💪

📞 Contact us today to schedule your estimate!
925-217-0288

Performing a cooling maintenance on this 2017 heat pump system
06/10/2026

Performing a cooling maintenance on this 2017 heat pump system

Out with the old, in with the COOL 😎❄️🔥We completed the installation of a brand new Carrier Comfort Series single-stage ...
06/09/2026

Out with the old, in with the COOL 😎❄️🔥

We completed the installation of a brand new Carrier Comfort Series single-stage gas furnace paired with a Carrier 16 SEER 3.5-ton AC system — ready to keep this home comfortable through every season!

Reliable heating ✔️
Ice-cold AC ✔️
Energy-efficient comfort ✔️

This system is officially ready to take on California weather like a champ 💪☀️❄️

📞 Contact us today to schedule your estimate!
925-217-0288

Replaced a failing capacitor with a new one for this 15 year old carrier condensing unit
06/08/2026

Replaced a failing capacitor with a new one for this 15 year old carrier condensing unit

Performed cooling maintenance on 25 year old condensing unit!! We want to get as much life as we can out of it so we’ll ...
06/08/2026

Performed cooling maintenance on 25 year old condensing unit!! We want to get as much life as we can out of it so we’ll add a factory hard start from carrier.

Small system… BIG comfort 😎❄️☀️We just wrapped up the installation of a brand new Mitsubishi 15K BTU mini split heat pum...
06/07/2026

Small system… BIG comfort 😎❄️☀️

We just wrapped up the installation of a brand new Mitsubishi 15K BTU mini split heat pump with a sleek ceiling cassette — giving this space powerful heating & cooling without taking up wall space! 🔥❄️

Quiet, efficient, and hidden right in the ceiling for a clean modern look 👌

Who says comfort can’t look good too? 🙌

📞 Contact us today to schedule your estimate!
925-217-0288

Performed maintenance on 6 year old Payne condensing unit. Everything is in good health!
06/05/2026

Performed maintenance on 6 year old Payne condensing unit. Everything is in good health!

Another home comfort upgrade completed! 🔧❄️☀️Our team installed a brand new Carrier 3-ton heat pump system along with a ...
06/05/2026

Another home comfort upgrade completed! 🔧❄️☀️

Our team installed a brand new Carrier 3-ton heat pump system along with a new air handler neatly installed in the closet for improved efficiency, reliability, and year-round comfort.

Clean installation, better airflow, and energy-efficient performance — ready for every season! 🙌

Thank you to our customer for trusting us with their HVAC installation needs.

📞 Contact us today to schedule your estimate!
925-217-0288

Performed service on 2 30 ton HVAC units
06/04/2026

Performed service on 2 30 ton HVAC units

Address

428 N. Buchanan Circle #8
Pacheco, CA
94553

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+19252881408

Website

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