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Claim This BusinessGiordano's Heating & A/C has served Derby, Connecticut and surrounding communities for nearly two decades as a family-owned residential HVAC contractor. With a 4.8-star rating aggregated from 71 client reviews, the company maintains an A+ rating with the Better Business Bureau. The business operates Monday through Friday from 8 AM to 4:30 PM, providing furnace repair, installation, and maintenance alongside air conditioning services. Technicians are licensed and insured, serving homeowners across the Naugatuck Valley region including Shelton, Ansonia, and Seymour. The company specializes in older homes requiring custom ductwork fabrication and system zoning solutions.
As a Lennox Network Dealer, Giordano's offers factory-authorized installations backed by manufacturer warranties. The company sets itself apart through in-house sheet-metal fabrication, enabling custom ductwork solutions for historic homes where off-the-shelf components won't fit. Indoor air quality solutions include MERV 16 filtration, whole-house humidifiers, and ventilation systems. The company provides financing options through Synchrony Financial and partners with utility companies to help customers access rebate programs for high-efficiency equipment upgrades.
Homeowners consistently mention Dave Giordano and co-owner Brian in reviews, describing scenarios ranging from emergency same-day arrivals during summer heat waves to complete system replacements completed in a single day. Theodore Kemp of Shelton praised the crew for removing dual old systems and installing a new high-efficiency setup with custom-fabricated ductwork, stating the basement was left spotless. Noel Priore noted that Dave provided a detailed estimate the day after the initial call, and a four-person crew completed the full AC and ductwork replacement, with office manager Rhiann coordinating the project. Peter Bunzl has maintained a 19-year service relationship with the company, relying on them for twice-yearly maintenance and emergency repairs.
All 71 reviews award 4 or 5 stars, with 5-star reviewers specifically naming Dave or Brian as technicians who arrive on time, explain options clearly, and leave homes clean. Three reviewers mention the company handled complete system replacements in one day.
| Sunday | Closed |
| Monday | 8 AM–4:30 PM |
| Tuesday | 8 AM–4:30 PM |
| Wednesday | 8 AM–4:30 PM |
| ThursdayToday | 8 AM–4:30 PM |
| Friday | 8 AM–4:30 PM |
| Saturday | Closed |
Gas and oil furnace diagnostics, new high-efficiency unit installations, and seasonal tune-ups keeping systems running at peak efficiency.
Central AC repair, new system installs, and preventative maintenance including refrigerant checks and coil cleaning.
Ductless mini-split systems for room additions, garages, and zoned heating and cooling without ductwork.
Custom sheet-metal duct fabrication for historic homes and complex basement layouts requiring non-standard sizes.
Whole-house humidifiers, dehumidifiers, advanced MERV 16 filtration, and ventilation systems for cleaner indoor air.
Residential boiler repair, installation, and maintenance for homes with hydronic heating systems.
Smart thermostat installation and multi-zone system setup for customized temperature control across different areas.
Annual maintenance contracts covering scheduled tune-ups and priority scheduling for subscribers.