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Trusted HVAC Installation, Repair & Maintenance in Southbury, CT
AE Olsen has been dedicated to providing top-tier HVAC solutions for over five decades. Our expertise spans residential and commercial heating, cooling, and indoor air quality systems, serving New Haven, Fairfield, and Litchfield Counties with precision and care. We specialize in new installations, system upgrades, and emergency repairs, backed by certified technicians and a commitment to customer satisfaction. Our preventive maintenance programs ensure long-term efficiency, while flexible financing options make modern comfort accessible. As a trusted Carrier dealer, we combine cutting-edge technology with personalized service to meet each client's unique needs.

With 24/7 emergency availability and extended warranties, we prioritize reliability and transparency in every interaction. Our team's deep local knowledge ensures tailored solutions that address specific climate challenges in the communities we serve. From ductless systems to geothermal technology, we deliver innovative approaches that reduce energy costs without compromising comfort. Customer testimonials consistently highlight our prompt response times, professional execution, and lasting results. This enduring reputation for excellence stems from our unwavering focus on technical proficiency and ethical business practices since our founding.
Services
New Installation Upgrade or Replacement Repair Service Preventive Maintenance Service Agreements Indoor Air Quality Sheet Metal Fabrication Commercial HVAC Emergency Service Extended Warranties
Highlights and features
  • We have over 50 years of experience in HVAC services.
  • Our team provides 24/7 emergency service.
  • We offer financing options with approved credit.
  • Our technicians are licensed and specialized in HVAC systems.
  • We provide extended warranties on new equipment.
What people say
Professional and courteous installers Expert installation 24/7 emergency service Speed and efficiency Knowledgeable staff
Services
New Installation
Our expert technicians design and install customized heating and cooling systems, ensuring proper sizing and energy efficiency for residential and commercial properties. We offer Carrier products with factory warranties and financing options. Professional installation maximizes system performance and longevity while meeting specific comfort requirements.
Emergency Repair
Available round-the-clock for urgent HVAC issues, our certified technicians respond promptly to restore system functionality. This service includes diagnostics, parts replacement, and troubleshooting for all equipment brands, minimizing downtime during critical temperature conditions.
Preventive Maintenance
Scheduled maintenance plans extend equipment lifespan through comprehensive inspections, cleaning, and adjustments. Our technicians check refrigerant levels, electrical components, and airflow efficiency to prevent breakdowns and maintain optimal performance year-round.
Indoor Air Quality
We install and service air purification systems, humidifiers, and ventilation products to improve residential and commercial air quality. Solutions target allergens, pollutants, and humidity imbalances, creating healthier indoor environments with advanced filtration technology.
Commercial HVAC
Tailored heating and cooling solutions for commercial properties, including large-scale installations, service agreements, and energy-efficient upgrades. Our team handles complex systems with minimal disruption to business operations, ensuring compliance with industry standards.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating, cooling, and indoor air quality systems, including emergency services and commercial support.
Do you service areas outside Southbury?
Yes, we serve New Haven, Fairfield, and Litchfield Counties with extended coverage to surrounding Connecticut communities.
Are financing options available?
Yes, we offer flexible financing with approved credit for HVAC system installations and upgrades.
What emergency HVAC services do you provide?
Our 24/7 emergency service includes rapid response for system failures, with technicians available year-round to restore comfort quickly.
What brands do you work with?
As a Carrier dealer, we offer their full product line including air conditioners, heat pumps, furnaces, and indoor air quality solutions.
Reviews (2)
Michael W.
Dec 29, 2017 Report
The company was not well functioned and operated. I used their service just because the previous owner has contracted with them (though my neighbors warned me in the beginning). Today's service on my furnace is terrible, the technician could not make it working after he stopped my furnace which is running well before the service. After 30 min, he finally made it work with no clear explanation the reason.

I am really concerned the service could make my furnace worse. However, this is not the worst part, because as I can somehow understand this may happen since my furnace is old. The worst part is that this company did not treat the customer politely and respectfully. When I talked to one lady in this company, she is really rude and yelling at me from the beginning to the end with no reasons. I can not imagine a rude lady like this could stay in the customer service position unless this company is the same. I tried to talk to her calmly but made no differences. This is a company shows no respect and care for his customer and what they wanted is to get your money. Please stay away from it.
Josh
Oct 29, 2017 Report
Great experience with this company. Called them last minute day before July 4th holiday and they had a technician out to our home in a couple hours. The HVAC professional was quick and charged a reasonable rate. Highly recommend and will use again!