Family Owned and Operated For Over 45 Years SMW Local 104 Contractor In-House Factory Trained Technicians N.A.T.E Certified Technicians "Trane" Distinguished Dealer Award Winner. Dependable Heating & Air Conditioning Company provides quality heating and air conditioning services to Solano and Contra Costa Counties for over 40 years. Contact us now and find Air Conditioning Contractors in the Vacaville and Fairfield Area.