Committed to helping our customers through advanced products and unsurpassed customer service, Sperling Heating and Cooling delivers effective HVAC solutions that improve comfort and protect profits. Our services include:

Our Services

• Design/Build
• Commercial / Industrial
• Full Service Fab Shop
• Sheet Metal Goods
• Stainless Steel


• Duct Work

• Ventilation

• Architectural

• Fire Damper Certifications

• Architect Metals

Let us take care of all your industrial needs

About Us

Positive Trades Group is a full service mechanical Systems provider that has proudly served the Northwest Ohio community, including Toledo, Bowling Green, and Findlay since 1947. With our three teams, PTG Service, PTG Mechanical, and Sperling Heating and Ventilating, one call can provide you with a solution to your HVAC, energy management, air quality, building, and piping needs.

Positive Trades Group

8650 Airport Hwy.

Holland, OH 43528