About A & B Mechanical

A & B Mechanical has been designing, installing and servicing heating, air conditioning, geothermal, radiant and snowmelt systems since 1981. They came out promptly, diagnosed the issue, and fixed it quickly. Not only did they repair the furnace, but they also cleaned it thoroughly. What stood out the most was their honesty — they never tried to upsell on things not needed, and they walked through each step. Timely, professional, and trustworthy. Above and beyond with these young kids. It's great to see a small company take part and pride in the community. Small jobs to big it doesn't matter. Great team, great attitude. Have had the system fully re-wired from thermostats to pumps and motors. Recently, the main board on the boiler went down. Called a different service team, but they didn't resolve the issue. Had hot water the same day as the inspection.

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Reviews for A & B Mechanical

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  • Sep 2025

    I was having furnace trouble and called A & B Mechanical. They came out promptly, diagnosed the issue, and fixed it quickly. Not only did they repair the furnace, but they also cleaned it thoroughly. What stood out the most was their honesty — they never tried to upsell me on things I didn’t need, and they walked me through each step so I understood what was being done. Timely, professional, and trustworthy. I highly recommend A & B Mechanical to anyone needing reliable service.

  • Jan 2025

    Above and beyond with these young kids!!! I've have been part of many builds in the local area and around Denver... It's great to see a small company take part and pride in our community! Small jobs to big it doesn't matter. Great team, great attitude, thought I'd share... build community and the rest follows! Thanks Dave, and crew!!! Well done!!

  • Mar 2024

    Love these guys! Nate the Great is the best. Have had my system fully re-wired from thermostats to pumps and motors. Recently, the main board on my boiler went down. Called a different service team, but they didn't resolve the issue. Nate had us with hot water the same day as the inspection.

Hours

Monday: 7:30AM - 5PM
Tuesday: 7:30AM - 5PM
Wednesday: 7:30AM - 5PM
Thursday: 7:30AM - 5PM
Friday: 7:30AM - 5PM
Saturday: ClosedSunday: Closed

Location

1810 Park St Unit B, Castle Rock

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