HVAC Services in Oaks, PA

Family-Owned Since 1986. Customers Who’ve Trusted Us from Day One.

Carl j Wendler heating and cooling has been serving Oaks and the surrounding Montgomery County area since 1986, when Carl Wendler founded the company after years with larger HVAC firms. Carl grew up, went to school, and started his family right here in the community he now serves. That local foundation shapes how we work: family-owned, reputation-driven, and committed to achieving complete customer satisfaction on every job. We handle both residential and commercial HVAC work in Oaks, PA, so all your HVAC needs are covered with us.

Our Oaks HVAC Services

We handle the full range of residential and commercial HVAC work in Oaks, PA, from routine maintenance to emergency repairs and new system installations.

Air Conditioning Services

Our NATE-certified technicians handle the full range of AC services for Oaks homeowners, including repair, installation, replacement, and maintenance. We explain your options and costs before any work begins, and emergency AC response is available around the clock when you can’t afford to wait.

Heating Services

Our technicians install, repair, and maintain a full range of heating systems, including furnaces, heat pumps, and boilers, to keep Oaks homes warm through Pennsylvania winters. Planned repairs, preventative maintenance, and 24/7 emergency heating repair are all available.

Indoor Air Quality Testing

Airborne allergens, humidity imbalance, and household pollutants are problems that we can effectively address. Our technicians diagnose and resolve indoor air quality issues with system-based solutions, and the Mitsubishi Electric mini-split systems we install include built-in filtration as part of their design.

Emergency HVAC Solutions

Have you found yourself in a comfort emergency? Whether a breakdown has left you sweating or shivering, know that you can turn to  for fast and reliable services. Day or night, we're ready to answer your call and dispatch a technician as soon as possible. Reach out at  when your comfort is on the line.

Trust Your HVAC Needs with Our Family of Pros

If you're looking for an HVAC contractor that you can completely trust,  is the name to know. With us, you won't be another customer in a long list of others. We'll treat you like family! That means showing up when it matters, prioritizing your needs, and providing the best services possible.