Understanding HVAC systems is essential for its proper maintenance. Quarterly maintenance of your HVAC systems is important to extend the system’s lifespan and save hundreds of dollars on unexpected repairs. Regular maintenance of residential HVAC systems is essential when it comes not only to the proper function of boilers, furnaces, and AC units but also for better energy efficiency and in-home air quality. A properly maintained HVAC system can cut hydro costs from five to ten percent, as well as improving comfort and air quality.
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https://sierraair.ca/residential/
2. HVACStands for Heating, Ventilation,
and Air Conditioning-
● Technology of indoor and
vehicular environmental
comfort.
● Provides thermal comfort and
acceptable indoor air quality.
3. HVAC systems…..
● Keeping you at comfortable temperatures all year around.
● Improves the air quality by removing indoor and outdoor pollutants to improve
your health.
4. HEATING SYSTEM
Heaters- To generate heat in the
building by the use of various types of
fuels.
Contain a Boiler, Furnace, or Heat
Pump
5. Types of Heating Systems
CENTRAL HEAT
Furnaces: Blows heated air through ducts
that deliver warm air to rooms throughout
the house via air registers or grills
Boilers: Distribute the heat in hot water,
which gives up heat as it passes through
radiators or other devices.
Heat Pumps: Two-way air conditioners
DIRECT HEAT
Gas-Fired Space Heaters: Wall-mounted,
free standing, and floor furnaces, all
characterized by their lack of ductwork and
relatively small heat output.
Electric Space Heaters: Convert electric
current directly to heat.
Fireplaces: Part of room’s decor providing a
warm glow
6. VENTILATION
MARS
Changing or replacing
air in any space to
control temperature or
remove any
combination of
moisture, odors, smoke,
heat, dust, airborne
bacteria, or carbon
dioxide, and to replenish
oxygen.
Includes exchange of
air with the outside
as well as circulation
of air within the
building
There are four basic
mechanical whole-
house ventilation
systems -- exhaust,
supply, balanced, and
energy recovery.
7. ● Work by depressurizing
the building
● Relatively inexpensive
and simple to install
● Work well in cold
climates.
● Work by pressurizing the
building.
● Allow better control than
exhaust systems
● Minimize pollutants from
outside living space
● Prevent backdrafting of
combustion gases from
fireplaces and
appliances
● Neither pressurize nor
depressurize a house.
● They introduce and
exhaust approximately
equal quantities of fresh
outside air and polluted
inside air, respectively.
COMPARISON OF WHOLE-HOUSE
VENTILATION
EXHAUST SUPPLY BALANCED
10. Types of Air Conditioning
Central Air Conditioners: Includes an external condenser unit which sits outside your home and
expels heat as well as an evaporator coil, which generally sits above your furnace and cools the air
within your home.
Ductless Split Air Conditioners: Have multiple heads or indoor units that cool the air. These units
may be mounted on a wall, floor or even ceiling. Each head cools the air in the room where it’s
installed, which will allow you to set different temperatures for each unit and room.
Portable Air Conditioners: Can be moved from room to room, but often requires venting to remove
the hot air and moisture generated by the unit.These mobile air conditioning units are placed on the
floor inside a room where the heat is typically discharged through a window vent kit that comes with
the unit.
Window Air Conditioners: Used to primarily cool the room in which they are installed, and condensed
moisture simply drips onto the ground below outside your home.A window AC takes warm air from
inside the home and cools it by running it over an evaporator coil, before blowing it back into the
home.
11. HVAC MAINTENANCE
You might shrug
off this task, but
it’s more important
than you think.
you’ll never put it
off again.
Have you
scheduled your
annual HVAC
system
maintenance yet?
Once you learn the
ins and outs of
annual HVAC system
maintenance,
12. SCHEDULE ANNUAL MAINTENANCE
AIR CONDITIONER
1X EACH YEAR
Schedule an
appointment in late
winter or early spring,
before cooling season
No matter how expensive the
system is or what the
manufacturer promises, a
complicated piece of
mechanical equipment is
subject to breakdowns and
needs repairs every so often.
FURNACE
1X EACH YEAR
Schedule an
appointment in late
summer or early fall,
before heating season
HEATING AND COOLING
2X EACH YEAR
Schedule appointments in
the spring and fall
13. PREPARE FOR YOUR SERVICE
APPOINTMENTOUTDOOR MAINTENANCE INDOOR MAINTENANCE
Clean any dirt, leaves and debris
outside the main cabinet.
Clean or replace filters
Inspect the base pan for blocked drain
openings
Check for leaks in the ductwork.
Inspect the coil and cabinet for any holes
and leaks
Check for any unusual odors when your
system starts
Inspect the fan blades while they’re in
motion and stationary to determine wear
and damage
Listen for abnormal noises when your
system starts
Inspect and clean outside of control
box associated with unit.
Inspect your control box wiring and
connections
14. Cooling Efficiency
● Make sure your attic is
properly ventilated.
● Draw blinds or drapes to
block the sunlight during the
hottest part of the day.
● Set your ceiling fans to rotate
counter-clockwise.
● Use your grill and cook
outside as much as possible
Heating Efficiency
● Make sure your home is
properly insulated so heat
doesn’t escape.
● Lock the windows to reduce the
warm air escaping your home.
● Make sure all heating vents are
clear of obstruction.
● Lower the thermostat when
hosting a large number of
guests.
MAKE YOUR HOME MORE ENERGY EFFICIENT
15. Benefits of Annual HVAC System
Maintenance
Lower energy bills
Fewer repairs
Lower chance of a catastrophic breakdown
Longer equipment life
Safer equipment operation
16. Maintenance Tasks You Can Do Yourself
● Change the HVAC air filter every
month. Some units have an
indicator light that tells you when
the filter is beginning to become
clogged and blocking airflow.
● Remove debris from around the
outdoor unit.
● Hose down the outdoor unit when
dirt begins to accumulate on it.
● Trim back foliage to at least 18
inches from the outdoor unit.
● Keep supply and return registers
unblocked by drapes, rugs or
furniture.
17. Maintenance You Should
Leave to the Pros
Thorough tune-up requires skills, tools and knowledge that only
experienced HVAC technicians can deliver.
18. 1. Check the thermostat: Tech
makes sure the thermostat is
calibrated correctly to ensure
comfort in every season.
2. Tighten electrical
connections: Loose
connections are dangerous and
can cause improper operation
that shortens the equipment’s
lifespan. The technician
measures voltage and current
on equipment motors.
19. Lubricating Moving Parts
Lack of lubrication can cause
friction in the parts which causes
overheat and breakdown.
Lubrication helps in smooth
operation, decreasing electricity and
lowering energy bills.
20. Inspect the Condensate Drain Check System Controls
Cooling equipment and condensing furnaces
produce condensate when they operate.
During times of high usage, the drain pan
may overflow and cause water damage to
the equipment or your home. A technician
checks the condensate drain to make sure
it’s draining properly and cleans it out if
necessary.
The start cycle, operation and shut-off
sequence should occur in a particular
fashion. The technician checks the
controls to make sure everything is
operating safely and properly.
21. Clean and Adjust the
Blower
Issues with the blower can
decrease equipment efficiency by
up to 15 percent. Making
adjustments ensures proper
airflow and ample home comfort.
22. Cleaning Evaporator &
Condenser
An undercharged system can develop
if the system has a leak. A technician
checks and repairs any leaks that are
present, and recharges the system if
necessary.
Checking Refrigerator Charge
Cleaning the coils annually is an
important part of maintaining the
A/C’s capacity, ensuring lower energy
bills and prolonging equipment life.
23. Inspect the Gas Pressure,
Burner Combustion and
Heat Exchanger
Incorrect pressure, a dirty burner or a cracked
heat exchanger can result in improper burner
operation and causes unsafe and inefficient
operation. Adjusting the pressure and cleaning
the burner are two viable options to improve
operation and lower your heating bills, but if the
heat exchanger is cracked, it’s likely you’ll need to
purchase a new furnace.
24. Residential HVAC Service
An important part of
preventative maintenance
is hiring a contractor with
the right skills and
experience for the job.
25. Thanks!
Does anyone have any questions?
● 1305 Kamato Road
Mississauga, ON L4W 2N5
● 905.232.4821
● service@sierraair.ca
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