Business Details
Emergency
services
Open 24/7
always available
Trusted HVAC Services in New Haven, CT
203 HVAC was founded to deliver premium heating, ventilation, and air conditioning services to homeowners in Fairfield County. Our team collaborates with rigorously vetted HVAC professionals who prioritize technical excellence and customer satisfaction. We recognize the critical role a functional HVAC system plays in home comfort, which drives our commitment to providing reliable, timely service. Our operations emphasize three core principles: a 100% satisfaction guarantee, access to qualified industry experts, and round-the-clock customer support. Whether addressing emergency furnace failures in winter or air conditioning breakdowns during summer heatwaves, our technicians are equipped to restore system functionality across New Haven and Fairfield County. We specialize in comprehensive HVAC solutions including system installations, precision repairs, and preventive maintenance programs designed to extend equipment lifespan. Our service portfolio also extends to water heater repair and replacement, plumbing diagnostics, and electrical system assessments. By maintaining strict service standards and focusing on transparent communication, we aim to build lasting relationships with residential clients requiring dependable climate control solutions.
Services
Air Conditioning Repair
Heating System Maintenance
Emergency HVAC Services
Water Heater Installation
Plumbing Services
Electrical Services
Cooling System Maintenance
Furnace Repair
AC Installation
Drain Clearing
Served areas
- Stratford, Bridgeport, Fairfield, Trumbull, Monroe, Shelton, New Haven, Greenwich, Danbury, Waterbury
Highlights and features
- 24 Hour Service
- Emergency Repair
- Heating & Cooling Repair, Replacement, and Installation
- Energy Efficient Upgrades
- Oil to Gas Conversion
- Tankless, Gas, Oil, Electric Water Heater Services
Services
Air Conditioning Repair
Our certified technicians diagnose and repair all types of air conditioning systems including central air, ductless mini-splits, and heat pumps. We address common issues like refrigerant leaks, thermostat malfunctions, and frozen coils while ensuring optimal system performance. Emergency repair services are available 24/7 during peak summer months.
Heating System Maintenance
Preventive maintenance programs include furnace cleaning, thermostat testing, and combustion efficiency analysis. Annual inspections help identify potential failures before winter while improving system longevity and energy efficiency. Our technicians service natural gas, oil, and electric heating systems.
Emergency HVAC Services
Critical HVAC failures receive immediate attention through our 24-hour emergency response team. We prioritize urgent heating repairs during winter storms and cooling system breakdowns during heatwaves. Rapid response times ensure minimal disruption to residential comfort and safety.
Water Heater Installation
We install and replace all water heater types including conventional tank models and energy-efficient tankless systems. Our technicians optimize placement for gas, electric, and hybrid units while ensuring proper venting and code compliance during installations.
Cooling System Maintenance
Seasonal tune-ups improve cooling efficiency through coil cleaning, refrigerant level adjustments, and electrical component inspections. Preventive care reduces breakdown risks while maintaining manufacturer warranty requirements for residential air conditioning systems.
Questions
What HVAC services do you offer in Fairfield County?
We provide full-service HVAC solutions including air conditioning repair, furnace maintenance, emergency heating services, water heater replacement, and cooling system installations across New Haven and Fairfield County.
Are your technicians available for emergency repairs?
Yes, our 24/7 emergency service responds to critical HVAC failures at any time, including nights, weekends, and holidays for urgent heating and cooling system issues.
Do you service all types of HVAC systems?
Our technicians work on all major HVAC brands and system types including central air conditioning, ductless mini-splits, heat pumps, gas/oil furnaces, and tankless water heaters.
What areas do you serve in Connecticut?
We primarily serve New Haven County and Fairfield County, including cities like Bridgeport, Stratford, Fairfield, and surrounding Connecticut communities for residential HVAC needs.
Do you offer maintenance plans for HVAC systems?
Yes, we recommend annual maintenance contracts that include seasonal system inspections, priority service scheduling, and discounts on repair services to maintain optimal HVAC performance.
How can I get an estimate for HVAC replacement?
Contact us at 888-891-2397 or use our online form to request a free, no-obligation quote for HVAC system replacement with detailed cost breakdowns and financing options.
Reviews (3)
Jeff M.
I was referred to 203 HVAC from a friend and was glad I called. They installed a new central air system in my home I am remodeling quickly and for a great price.
Ann K.
203 HVAC was able to quickly help repair my homes furnace after it wouldnt turn on. They provided quick service and were very great to work with!
Liz S.
The service was great and fast. Rob, the service tech came to my home and took the time to answer all my questions. I highly recommend 203 HVAC