Give your sweethearts the gift of comfort. Ask about our Signature Series line of premium heating and cooling equipment. CALL TODAY (866) 487-5241 Black Diamond Plumbing Sewer Electric. HVAC There when you need as FREE $30 OFF ANY SERVICE CALL Offer valid for services over $100. Cannot be combined with any other offer. Coupon must be presented at time of service. Cannot be used towards backflow testing, maintenance agreements, previous services, diagnostic trip fee or afterhours/holiday fee Expires 3/15/23 DH0223 BYPASS HUMIDIFIER With Signature Series FULL System purchase. Schedule a free estimate for full details. Cannot be combined with other offers or used on previous service. Expires 3/15/223 License #058-140555 DH0223 Give your sweethearts the gift of comfort . Ask about our Signature Series line of premium heating and cooling equipment . CALL TODAY ( 866 ) 487-5241 Black Diamond Plumbing Sewer Electric . HVAC There when you need as FREE $ 30 OFF ANY SERVICE CALL Offer valid for services over $ 100 . Cannot be combined with any other offer . Coupon must be presented at time of service . Cannot be used towards backflow testing , maintenance agreements , previous services , diagnostic trip fee or afterhours / holiday fee Expires 3/15/23 DH0223 BYPASS HUMIDIFIER With Signature Series FULL System purchase . Schedule a free estimate for full details . Cannot be combined with other offers or used on previous service . Expires 3/15/223 License # 058-140555 DH0223