O'Neill's HVAC/R & Construction - Canterbury's Experienced HVAC Services
Canterbury, CT 06331
Common Questions
What should I do if my furnace won't ignite during a Canterbury winter?
If your furnace fails to ignite in Canterbury's cold winters, it's often due to issues like a faulty igniter, gas valve, or thermostat. O'Neill's HVAC/R & Construction offers prompt furnace repair services to diagnose and fix the problem, ensuring your home stays warm and safe. Contact us for an inspection to prevent further discomfort or safety risks.
How can I tell if my thermostat is malfunctioning and needs replacement?
Signs of a malfunctioning thermostat include inconsistent temperatures, unresponsive controls, or your HVAC system not turning on/off properly. In Canterbury, where reliable heating is crucial, O'Neill's provides expert thermostat replacement services. We'll assess your system and install a new, efficient thermostat to restore comfort and energy efficiency in your home.
What HVAC services does O'Neill's offer to address common issues in Canterbury homes?
O'Neill's HVAC/R & Construction offers comprehensive services to tackle common Canterbury HVAC problems, such as furnace repair for ignition failures and thermostat replacement for malfunctions. We also provide general HVAC maintenance, installation, and construction services to ensure your home's systems run smoothly year-round, keeping you comfortable in every season.
Business Overview
O'Neill's HVAC/R & Construction is a trusted local HVAC and construction company serving Canterbury, CT, and the surrounding areas. With years of experience, they specialize in heating, air conditioning, and refrigeration services, as well as construction projects. Many Canterbury homes face common HVAC issues like furnace ignition failure during cold winters and thermostat malfunctions, which can lead to discomfort and safety concerns. O'Neill's helps resolve these local problems by providing reliable furnace repair and thermostat replacement services, ensuring homes stay warm and safe. Their team of skilled technicians offers prompt, expert solutions tailored to the needs of Canterbury residents, making them a go-to resource for HVAC and construction needs in the community.
Provided Services
- HVAC installation or replacement
- HVAC system repair
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |



















