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Expert HVAC Installation & Repair Services
With over four decades of dedicated service, we have established ourselves as trusted experts in residential heating and air conditioning solutions. Our owner, Dave Teodosio, brings 40 years of hands-on experience to every project, ensuring personalized attention and precision in every installation. Specializing in natural gas conversions, furnace and boiler replacements, and new construction HVAC systems, we fabricate all sheet metal ductwork in-house to guarantee optimal fit and performance. As certified dealers for industry-leading brands like Tempstar and Navien, we offer cutting-edge, energy-efficient systems designed to enhance home comfort and efficiency.

Our commitment to quality extends to every detail, from using state-of-the-art pro-press copper fittings for water heater installations to providing free in-home estimates and financing options. We treat every home as if it were our own, combining technical expertise with a personal touch to deliver reliable, long-lasting solutions. Backed by partnerships with trusted manufacturers and a deep understanding of local energy needs, we are proud to serve Southern Connecticut homeowners with integrity and excellence.
Services
Furnace Replacement Boiler Installation Natural Gas Conversion Hot Water Heaters Air Conditioner Upgrades
Highlights and features
  • Owner with 40 years of hands-on HVAC experience
  • In-house fabrication of custom sheet metal ductwork
  • Certified dealers for Tempstar and Navien products
  • Licensed and insured technicians for safe installations
  • Low-interest financing and special rebates available
Associations and certifications
  • Tempstar
  • Navien
  • A.O. Smith
Services
Furnace Replacement
Upgrade to high-efficiency gas furnaces with 95% AFUE ratings. Our Tempstar SmartComfort Series installations ensure precise temperature control and quiet operation while improving energy savings. Variable-speed blowers enhance summer dehumidification when paired with compatible air conditioners. All installations include free in-home estimates and financing options.
Natural Gas Conversion
Convert from oil to clean, affordable natural gas. We handle complete system replacements including piped connections and energy audits. Benefits include 30-50% cost savings over oil, reduced environmental impact, and increased home value through modern, reliable heating solutions tailored to Connecticut homes.
Hot Water Heaters
Install Navien tankless or A.O. Smith high-efficiency water heaters. Our EPA-certified technicians use lead-free pro-press fittings for safe installations completed in under two hours. Options include 95% AFUE condensing models with space-saving designs and ENERGY STAR qualified units featuring 6-year warranties and low NOx emissions.
Boiler Replacement
Replace outdated boilers with Navien NHB or NCB-E series models. Our 95% AFUE condensing boilers offer 15:1 turn down ratios for precise heating and domestic hot water. Combi-boilers provide whole-house heating plus simultaneous shower and dishwasher use. All installations include system optimization for maximum efficiency.
Air Conditioner Upgrades
Integrate modern air conditioning with existing heating systems. We offer complete HVAC pairings with variable-speed technology for improved humidity control. Upgrades include ENERGY STAR qualified units with SEER ratings up to 16 and smart thermostat integration for complete climate management solutions.
People
Dave Teodosio
Owner & Founder
With 40 years of HVAC expertise, Dave leads installations personally, ensuring quality craftsmanship. His technical knowledge spans all major brands, with specialization in Tempstar and Navien systems. Dave prioritizes customer education and transparent communication throughout every project.
Questions
What HVAC brands do you install?
We specialize in Tempstar gas furnaces and Navien condensing boilers. Both brands offer 95% AFUE efficiency with industry-leading warranties and performance features.
How long does a furnace replacement take?
Most residential replacements complete within 1-2 days, including ductwork modifications. We schedule installations at your convenience with minimal home disruption.
Do you offer financing options?
Yes, we provide low-interest financing programs through approved partners to make system upgrades more affordable for Connecticut homeowners.
Are your technicians certified?
All technicians hold current HVAC certifications and factory training for Tempstar and Navien product lines. We maintain full licensing and insurance.
Can I convert my oil furnace to gas?
Yes, we handle complete oil-to-gas conversions including new piping, system installation, and EPA-compliant disposal of old equipment. Most conversions qualify for utility rebates.
What areas do you service?
We primarily serve Southern Connecticut, including New Haven County. Contact us for specific location details and service availability.