There can be substantial savings involved in doing a system installation yourself, however there are some things you need to consider.

First, with most all systems there are parts of the installation that require a qualified technician. In many cases the equipment can be set in place, the wiring placed for both supply and thermostat, and the refrigeration lines (if needed) can be placed. HOWEVER, the brazing of refrigeration lines, and evacuation of the system requires equipment and expertise that normally only a qualified tech will have. Since this is a VERY IMPORTANT part of the installation, it is not advisable to take the chance of not getting it done properly. Doing what you can by placing equipment and materials will still enable you to save money over a complete turn key installation.

Secondly, the control wiring (thermostat) must be correct and the initial start up of an HVAC system requires a knowledgeable technician to check pressures, temperatures and electrical draw to determine what adjustments need to be made to operate at it’s peak.

Third, warranty registration must be submitted including the name and phone number for the installer. Also, no manufacturer will warrant parts failures resulting from improper installation, no matter who does the installation.

MOST importantly, keep in mind that all manufacturers indicate that well over half of all system problems result from improper installation, even with most being installed by professional technicians. Getting a reputable and well trained technician to install your system can provide great benefits in not having future problems, as well as having a system that delivers all the performance it was designed to provide.

With regard to warranty you also need to keep in mind that all HVAC manufacturers warranty PARTS ONLY. If there is a problem, the warranty will cover the part alone. The shipping of the part (including return shipping of the defective part) as well as all labor charges for diagnosis and replacement of parts is NOT COVERED by warranty. Also, the cost of refrigerant is not covered by warranty. Some installers may be able to offer a labor warranty separate from the manufacturers warranty. In most cases even if you purchase a labor warranty, it may not cover the total costs of repair.

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