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HVAC Contractor Services
Milford, CT

In Business Since 2018 

Estimates Available Within 24 Hours 

24/7 Emergency Service

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In Business Since 2018 

Estimates Available Within 24 Hours 

24/7 Emergency Service

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Your Trusted Partner for Complete HVAC Solutions
Onofreo Home Comfort Systems LLC brings over three decades of heating and cooling experience to residential and commercial clients throughout Milford, CT. As a woman-owned and minority-owned business established in 2018, we combine industry knowledge with personalized service that larger companies simply cannot match.

We serve property owners throughout Fairfield, North Haven, and the surrounding Shoreline areas with comprehensive HVAC services backed by NATE-certified technicians and a two-year labor warranty on all installations. Our commitment to quality has earned us high ratings on Google and Mitsubishi Diamond Dealer status. Ready to experience the difference? Contact us today.

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Why Choose Us

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24/7 Emergency Service

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30+ Years Experience

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NATE-Certified

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Estimates Available Within 24 Hours

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Financing Options Available

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Free Estimates for New Installations

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Onofreo Home Comfort Systems LLC
Heating Systems
When you need furnace repair, boiler installation, or heat pump service, our heating specialists keep your property warm throughout winter months. We work with all major brands and fuel types, offering promotional financing through Synchrony and Wells Fargo Bank, N.A.
Commercial HVAC
Business owners throughout the Shoreline areas depend on our commercial HVAC solutions to maintain comfortable environments for employees and customers. We deliver custom system design, installation, and maintenance services with same-day availability and 24/7 emergency response.
Cooling Systems
From central air conditioning to ductless mini-split systems, we install and service cooling equipment that keeps your space comfortable during Connecticut's humid summers. Our Mitsubishi Diamond Dealer credentials ensure access to premium equipment and factory-trained installation standards.
Ductwork and System Design
Properly designed ductwork delivers consistent airflow and maximizes system efficiency throughout your property. We evaluate existing duct systems and design new configurations that eliminate hot and cold spots while reducing energy consumption.
Geothermal Heating and Cooling
Harness the earth's stable underground temperature with geothermal systems that deliver year-round comfort while dramatically reducing utility costs. We provide complete geothermal installation and service, including ground loop design and heat pump configuration.
Indoor Air Quality
Clean indoor air protects your health and extends HVAC equipment life through proper filtration, humidity control, and ventilation. We install air purifiers, humidifiers, dehumidifiers, and ventilation systems tailored to your specific air quality concerns.
New Construction
Building a new home or commercial facility requires mechanical systems designed for optimal performance and efficiency from day one. We partner with contractors and property owners to specify, install, and commission HVAC systems that meet building codes and exceed performance expectations.
Water Heating Services
Reliable hot water is essential for daily comfort and business operations. We install and service traditional tank water heaters, tankless systems, and hybrid heat pump water heaters with free estimates for new installations and quotes available within 24 hours.

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Nature's Symphony

Breathtaking colors of our planet
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Faces of Humanity

Portraits of people from around the globe
Close-up of rippled orange sand dunes with soft shadows

Sands of Time

Stark beauty of desolate dunes
Close-up of green palm fronds with sunlight highlighting their striped leaves

Nature's Symphony

Breathtaking colors of our planet
Smiling person in a green shirt laughing against a light background

Faces of Humanity

Portraits of people from around the globe
Close-up of rippled orange sand dunes with soft shadows

Sands of Time

Stark beauty of desolate dunes
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Here's what our satisfied customers are saying...

At Onofreo Home Comfort Systems LLC, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Onofreo Home Comfort Systems LLC and let others know what you think.