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Claim This BusinessOmni Mechanical Services operates as a licensed heating contractor in South Windsor, Connecticut, holding license HTG. 0413191-S1. The company has earned a 4.9-star average rating from 498 customer reviews, reflecting years of consistent service to residential and light commercial clients throughout the Hartford County region. Serving homeowners in South Windsor and neighboring communities, the team handles new system installations, equipment upgrades, and emergency repairs Monday through Friday from 8 AM to 4 PM, with 24/7 same-day availability for urgent heating and cooling failures.
What distinguishes Omni Mechanical from competitors is their commitment to transparency and full documentation during the sales process. The owner personally conducts estimates and hands customers copies of licensing and insurance paperwork before any work begins , a practice specifically mentioned in reviews as uncommon among contractors. The company offers residential tax rebates for qualifying HVAC replacements and maintains filter subscription services to help clients maintain efficient system operation and cleaner indoor air year-round.
Homeowners consistently praise specific technicians for resolving problems other companies could not fix. When Michael Chambers' AC failed during a weekend and another contractor declared nothing could be done until Monday, Tom and Kevin diagnosed a different issue, sourced parts outside normal business hours, and had the system running the following day. Monica Bafetti's review describes how Omni replaced a leaking water heater on emergency notice the next week, then completed a full AC replacement two weeks later , all while maintaining clear communication about timing and thorough post-job cleanup that many contractors neglect.
Four of five named reviewers specifically mention individual technicians (Tom, Kevin) by name, calling out their diagnostic skill and transparency about options. Positive reviews consistently cite communication quality and same-day emergency responsiveness, while no negative reviews appear in the available sample.
| Sunday | Closed |
| Monday | 8 AM–4 PM |
| Tuesday | 8 AM–4 PM |
| Wednesday | 8 AM–4 PM |
| ThursdayToday | 8 AM–4 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
New furnace and boiler installations including oil-to-gas conversions and high-efficiency system upgrades.
AC unit replacements, air handler upgrades, and compressor installations for residential cooling.
24/7 same-day service for heating and cooling failures, available weekends and holidays.
Air filtration, purification systems, and duct cleaning to improve home air quality.
Emergency water heater replacement including same-day installation for leaking units.
Smart thermostat installation and multi-zone climate control setup.
Scheduled preventive maintenance plans to extend equipment lifespan and maintain efficiency.