HVAC COUPONS At Walker Heating & Air Conditioning, we are very competitive with our pricing. Check out our HVAC coupons page regularly for new promotions, specials, and seasonal coupons. Thank you for trusting us with your HVAC services! 5% OFF Senior Military Veteran $50 OFF ANY REPAIR $79 Tune-Up Maintenance $400 OFF FULL HVAC INSTALL $300 OFF NEW AC INSTALL FREE HVAC Consultation $75 OFF NEW AIR CLEANER $100 OFF ANY UV PRODUCT