Based on my happy experience I can extremely advocate this company for ducted air conditioning and heating services. Nearly all ducted air conditioners installed ten years ago have a nominated spill/constant zone. This is as a result of only one sensor is put in so there needs to be a standard area that’s always on. This follow is wasteful and still doesn’t provide the right temperature management in different areas. MYAIR5 zoning eliminates the need for fixed zones and will only direct the air where wanted. Existing methods may be retrofitted to take away this constant area. Retrovir is an independent Australian owned company that delivers high-quality installation solutions.