Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* L & M Heating & Air Conditioning one duchshe diggings from the category Air Conditioning Contractors Massachusetts in the state, located in the city by the address PO Box 540361 Waltham, MA (Massachusetts) 02454-0361. To clarify all the issues can be contacted by phone (617) 332-2050 . Location L & M Heating & Air Conditioning you can see on the interactive map. </br></br><b>Opening Hours</b></br></br>Monday 8:00 AM – 4:00 PM</br>Tuesday 8:00 AM – 4:00 PM</br>Wednesday 8:00 AM – 4:00 PM</br>Thursday 8:00 AM – 4:00 PM</br>Friday 8:00 AM – 4:00 PM</br>Saturday - 8:00 AM – 2:00 PM</br>Sunday - Closed Your comments* (not for publishing) * — Required information L & M Heating & Air Conditioning ← View details PO Box 540361 Waltham, MA (Massachusetts) 02454-0361, Waltham, Massachusetts (617) 332-2050