REEis takes a whole house approach to improving a your home's comfort and energy efficiency. Our goal is to deliver guaranteed comfort and energy savings solutions. To do so, we test your entire house, including: duct work, duct leakage & air flow, air conditioning & heating system, insulation, air sealing & air exchange and more. REEis maintenance provides a comprehensive service for your home's air conditioning system. Proper maintenance helps insure reduced breakdown & repair costs.