Business Details
44 Years
experience
Emergency
services
Your Trusted HVAC Partner in Plainville, CT
Lassen Heating & Cooling has been serving Plainville and surrounding communities since 1982 as a family-owned HVAC contractor. Our team of licensed professionals specializes in heating, cooling, and indoor air quality solutions for residential and commercial properties. With decades of combined experience, we prioritize proper system sizing, energy efficiency, and personalized consultations to meet unique client needs. Our Carrier dealership status provides access to advanced equipment like geothermal systems, ductless splits, and smart thermostats.We offer 24/7 emergency service, preventive maintenance agreements, and flexible financing options to ensure year-round comfort. Our reputation for first-time-right installations is supported by factory warranties on all equipment and labor. We maintain transparency through free in-home estimates and upfront pricing while serving areas across central Connecticut.
Services
HVAC Installation
Emergency Repairs
Preventive Maintenance
Indoor Air Quality
Sheet Metal Fabrication
Geothermal Systems
Ductless AC Installation
Thermostat Upgrades
Commercial HVAC
Financing Options
Details
- Year established: 1982
Highlights and features
- Family-owned HVAC contractor serving Connecticut since 1982
- Carrier factory-authorized dealer with access to premium equipment
- 24/7 emergency service for urgent heating and cooling needs
- Free in-home consultations with licensed HVAC specialists
- Proper equipment sizing for optimal energy efficiency
What people say
Knowledgeable and professional
Low energy bills
Timely and professional work
Expert ductless AC installation
Owner personally involved
Services
HVAC Installation
We provide complete HVAC system installations for residential and commercial properties. Our process includes free in-home consultations, proper equipment sizing, and energy-efficient system recommendations. All installations come with full factory warranties on parts and labor while utilizing advanced technology like Carrier Greenspeed systems.
Emergency Repairs
Our emergency repair service operates 24 hours a day, seven days a week for urgent heating and cooling issues. Trained technicians respond promptly to system failures, with most repairs completed during the initial visit using stocked service vehicles across central Connecticut.
Preventive Maintenance
Regular maintenance agreements help extend equipment lifespan and improve energy efficiency. Our comprehensive tune-ups include system inspections, component cleaning, and performance optimization to prevent breakdowns and maintain manufacturer warranty requirements for HVAC systems.
Indoor Air Quality
We offer specialized indoor air quality solutions including air cleaners, humidifiers, and UV light systems. These products target pollutants and allergens to create healthier living environments while integrating with existing HVAC systems for improved comfort and respiratory health.
Sheet Metal Fabrication
Our sheet metal fabrication services create custom HVAC components for unique installation requirements. This in-house capability ensures precise fitting ductwork and transitions that improve system efficiency while meeting specific building codes and architectural constraints.
People
Sean Lassen
Owner
Sean Lassen personally oversees installations and consultations with 20+ years of HVAC expertise. He specializes in Carrier system upgrades and energy-efficient solutions while maintaining hands-on involvement in customer service and project execution.
Questions
What HVAC services do you offer?
We provide complete heating, cooling, and indoor air quality services including installations, repairs, maintenance agreements, and emergency service for residential and commercial properties.
Do you offer financing options?
Yes, we offer flexible financing options for HVAC system purchases and installations with approved credit to help manage upfront costs.
Are you available for emergencies?
Our 24/7 emergency service responds to urgent HVAC issues at any time, with technicians available year-round for critical heating and cooling needs.
What areas do you service?
We serve Plainville and surrounding communities across central Connecticut, including Avon, Bristol, Canton, Farmington, and Southington.
What makes you different from other HVAC companies?
As a Carrier factory-authorized dealer with 40+ years local experience, we combine advanced technology with personalized service and proper system sizing for long-term efficiency.
Do you offer free estimates?
Yes, we provide free in-home consultations with licensed HVAC specialists to assess your needs and recommend customized comfort solutions.
