Moving house can be a very exciting time for many, especially those who are leaving their parents home for the first time. For others, it is an unfortunate consequence of the recession, with many renting their own home and moving to smaller properties. What both groups have in common is their haste, and this is what makes them vulnerable to landlords who do not comply with current UK gas safety legislation. Refrigerant Oil Enhancement has proven to be highly effective, affordable and able to increase efficiency in air conditioning HVAC, chiller and walk in refrigeration units. This efficiency technology requires no new HVAC equipment and in a commercial setting will show a payback ROI within a year. This conservation product is a specifically blended refrigerant oil supplement that has multiple beneficial attributes when added to the refrigerant line of existing HVAC compressors along with the existing refrigerant oil.