If you need professional HVAC repair in Hanover, MA, choose Blue Bear Plumbing. Our skilled technicians have a combined total of more than 30 years of HVAC service experience and can work on any make or model unit. Even though New England winters can be intense, the summers are no picnic either when your air conditioning system stops working. We same-day HVAC repair. Our company has earned an A+ BBB rating and are known for our fair pricing and outstanding workmanship.