Refrigerant recovery from an HVAC system has been mandatory since 1995 when the EPA enacted the Montreal Protocol and required 608 certification of all technicians. Refrigerant must be recovered otherwise huge fines can be imposed. The EPA does allow for de-minimis release, or basically refrigerant released when connecting hoses to and from a unit or… Read More »
Securing an air conditioner with a security cage kit is something many need done to help prevent an A/C unit from being stolen or vandalized. Security kits come in all shapes and sizes and can even be built by someone with welding skills. Most kits uses metal bars to prevent theft while more secure units… Read More »
If you are looking for a whole house fan or attic fan you may be wondering what is the difference. Main Differences Between a House Fan an Attic Fan A whole house fan ventilates air through the living space of a home. An attic fan ventilates the air through only the attic. What is the… Read More »
If your furnace is giving you trouble and not starting there are several things you can try before calling a technician. While the furnace may have a problem that needs a technician to troubleshoot often there are simple causes. Below are eight common reasons a furnace will not start to try out before calling a… Read More »
Having a good refrigerant scale is an important part of any HVAC technicians job. Knowing the exact amount of refrigerant that is added to a system is crucial in getting a job done right. What is an HVAC Refrigerant Scale? An HVAC refrigerant scale measures the amount of refrigerant that has gone into a system… Read More »
Condensation pumps in combination with a heat pump, furnace, or air conditioning are used to get rid of moisture that is created by a unit. Some systems can gravity feed water from a unit but in some cases, an HVAC system must use a pump when it is too low for gravity to remove the… Read More »
Buying an HVAC tool bag is something that very much must fit the user. A tool bag can be the best available and will not be any good unless it feels right to the person using it. Many things can effect this from the pocket layout to the handles used to carry it about. Everyone… Read More »
Garages can become unbearably hot in the summer especially in certain climates. If you are stuck working in a hot garage cooling it down can be done using one of several options. Finding a way to cool down a garage is on everyone’s mind when they are working in it. Since cooling the garage is… Read More »
Contactors and relays are used on almost all heating, cooling, and refrigeration equipment for the operation of loads in the system. Contactors relays are similar in their operation because both contain a coil that is used to open or close the contacts. The contactor is larger and capable of carrying more amperage than a relay.… Read More »
Whole house fans are a cheap and easy way to benefit a home. From cooling to venting stale tired air. One thing to note is that whole house fans and attic fans are classified separately. The difference between the two is that a whole house fan pulls air out of the interior of a home,… Read More »