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a table with numbers and times on it
Refrigerant pressure temperature charts for r-22, r-12, r-134a used in reciprocating process chiller systems
refrigeration pressure temperature charts, pt chart, refrigerant, r-12, r-134a,r-401
a refrigerator is shown with water and ice in the freezer section, labeled below
How Does a Refrigerator Work?
Illustration of how a fridge works | In the refrigeration cycle, there are five basic components: fluid refrigerant; a compressor, which controls the flow of refrigerant; the condenser coils (on the outside of the fridge); the evaporator coils (on the inside of the fridge); and something called an expansion device. Here’s how they interact to cool your food.
an info poster showing the different types of air conditioners and how to use them
Walnut Creek Heating and Air | Hometown Heating and Air Conditioning
If you are deciding whether to repair or replace components of your HVAC System, here are some guidelines.
an air conditioner is shown with instructions on how to install the unit and what it does
Clear explanation of HVAC components and how they work together.
an info sheet describing how to use the hvac system
Solution Center - Tips, Advice, and Ideas
How does your heating and air conditioning system work? | Angie's List
the parts of a wooden structure are labeled in red and blue, including two beams
Do It Yourself Hvac
This do it yourself hvac section will give you the basics of a sheet metal hvac installation. This is a project that you can save money on your home.
the measurements for different types of airflowers and their corresponding numbers are shown in this table
Duct Size vs. Airflow – Part 1
Information and guidance on how to select duct sizes and the amount of air flow they can handle. Duct Size vs. Airflow - Part 1