5 Easy Tips for Hot Water Tank Maintenance

Every Calgary home is built with a hot water tank. Your hot water tank is filled with water, which is heated with natural gas. Every time you turn on the hot water tap in a sink or shower, heated water makes its way through the pipes and out the faucet. Your dishwasher and washing machine also use hot water. The hot water tank continually refills itself and reheats the water to ensure a steady supply.

Replacing a standard hot water tank will cost you at least $1,500 (installed). Fortunately, a small amount of simple preventative maintenance can keep your hot water tank running for years to come.

Here are five simple maintenance items that you can perform yourself, without a lot of skill or expertise required.

1. Checking/adjusting the temperature

Near the base of most hot water tanks, you will find a temperature dial. By adjusting the dial, you can set the water coming out of your taps to be hotter or colder. Health Canada recommends you set your hot water tank temperature to 49°C (120°F).

If the hot water coming from your taps is cooler than normal, the first thing you can try is to increase the temperature on the hot water tank. Be careful! If you set the dial too high, the water can get scalding hot. It’s always a good idea to test it after adjusting. This can be done by leaving the sink tap running for a minute and holding your hand underneath. If you see steam, be cautious – as it may be too hot.

Tip for parents: Young children and seniors tend to have especially sensitive skin. To be safe, you may want to lower the temperature on your hot water tank slightly to prevent accidental burns. To reduce the risk, Health Canada recommends homes be equipped with anti-scald devices – such as automatic mixing valves on faucets, showers, and tubs or an anti-scald mixing valve on your water heater. If your home does not have a modern hot water tank with anti-scald protection, you may wish to consult a plumbing professional.

Did you know? You can save up to 5% in energy costs for every 10 degrees you lower the temperature of your hot water tank.

2. Testing the T&P valve

The temperature and pressure (T&P) relief valve is an essential safety feature on your hot water tank. Your hot water tank becomes pressurized when the cool water that refills the tank comes into contact with the heated water. This pressure will push the hot water through the pipes. Yet if the temperature or pressure gets too high, it can pose a danger. The T&P valve prevents this from happening, by letting hot water or steam to safely escape.

A professional can test this for you. If you are intent on testing this on your own, please be careful as scalding hot water can be released from the pressure release valve and burn you. Be aware where the water will be directed if the pressure relief valve is released and make sure you are not in the way of this.

3. Perform a mini hot water tank flush

Sediment from minerals in the water can build up inside of your hot water tank. So can rust deposits. In many parts of Calgary, there can be high levels of calcium in the water, which can affect hot water tank performance by clogging key components. You can help remove some of this sediment yourself, without any fancy equipment. Simply attach a standard garden hose to the drain and direct the water toward your drain in your furnace room. If you have no floor drain place a bucket or pan under the drain faucet at the base of the tank. Turn the handle to the left (counter-clockwise) to open, and drain approximately 15 – 25 litres of water (1/3 of the tank volume). Turn off the tap when you are done. Be aware that this water will be extremely hot so stay clear.

If you notice excessive sediment, and you have reduced water pressure it is worth calling a plumbing professional to conduct a thorough cleaning and maintenance.

4. Insulate your pipes

Like a Thermos, hot water tanks are insulated to keep the contents nice and toasty until you’re ready for that hot shower! Older tanks are often not as well insulated and can be prone to temperature loss. If this is the case, you can buy a ‘fiberglass jacket’ that wraps securely around the water tank to provide an extra layer of insulation. You can also insulate your hot and cold water pipes using foam pipe insulation (3/8” thick).

5. Check your anode rod

Rust happens when metal is exposed to water and loses electrons to oxygen. As you can imagine, rust in your hot water tank is a big problem. 

To prevent your water tank from rusting inside, most models are manufactured with a clever device called a sacrificial anode rod (or just plain ‘anode rod’). Made of magnesium or aluminum, the rod sits inside the tank. Its purpose is to attract the electrons that can cause the iron tank to rust – causing the rod to rust instead (which is why it’s called a ‘sacrificial’ rod). 

Checking the condition of the rod is simple, and something you can easily do yourself.

To access the rod, look for the hex bolt on the top of the tank. Loosen it by turning counter-clockwise. Once it’s loose, you should be able to lift it up and pull it out of the tank. You should replace the rod if:

  • The rod diameter is less than 5 cm (1/2”) thick
  • The rod is caked with calcium
  • The metal has been eaten away, leaving over 6” (15 cm) of exposed steel wire

Replacement rods can be purchased at your local hardware store in the plumbing section, and are relatively inexpensive. Be sure to know what size and type of replacement rods are recommended for your unit. Some newer model tanks do not have an anode rod. You can check this online by looking up your Hot Water Tank Model number and checking on the manufacturer’s website.


Furnace & Duct Cleaning Checklist




Quote guarantee

When we receive an online furnace or air conditioning quote request and the customer accepts the initial quote, we’ll send a comfort advisor to confirm the provided information and quoted price in person. 


If the comfort advisor finds any inaccuracies during the in person visit, we’ll revise the quoted price on the spot. After the quoted price is confirmed with an in person visit, the price is set. 


If there are unforeseen complications on the date of install, Advanpro will not pass the additional costs along to the customer. (See exceptions in Terms below.)



The guarantee is not valid if the customer provides inaccurate information when Advanpro seeks to confirm any information about the quote. This also applies to the on-site confirmation visit. 



In the exceptional circumstance that the chimney liner required for most furnace installations cannot be installed or gets stuck during installation, the guarantee no longer applies and we will provide a supplementary quote to complete installation. 


We do not warranty or guarantee customer-supplied thermostats.

Repair guarantee

If the diagnosed issue is not fixed by our initial repair, we will dispatch the first available service technician to return and fix it at no additional cost.


If we determine that there is an additional unrelated issue, there may be a charge for the additional repair.

Correct A/C sizing guarantee

If the air conditioner Advanpro installs is determined to be improperly sized for your home, we will supply and install the correctly-sized A/C condenser at no additional cost. 


Advanpro must be immediately notified of any install issues. The guarantee applies for 3 months, starting from the installation date. The guarantee no longer applies if, at any time after the quote or installation, modifications are made to the home that impact cooling requirements.

Correct furnace sizing guarantee

If the furnace Advanpro installs is determined to be undersized for your home, we will supply and install the correctly-sized furnace at no additional cost. 


Advanpro must be immediately notified of any install issues. The guarantee applies for 3 months, starting from the installation date. The guarantee no longer applies if, at any time after the quote or installation, modifications are made to the home that impact heating requirements.

Hot water tank types

Natural draft or atmospheric vented hot water tanks have a 3″ – 4″ steel vent pipe, which runs to a vertical chimney. The chimney is usually shared with standard or mid-efficiency furnaces.


Power vented hot water tanks have one or two black or white plastic vent pipe(s), which are 2″ – 3″ in diameter. The vent pipes usually exit from the side of the house.

A/C Tune Up

Regular preventative maintenance improves efficiency and extends the lifespan of your air conditioning system, with the following benefits:


  • Reduced electricity bills and operating costs. When the unit operates as designed, electricity usage is reduced.
  • Maximized cooling capacity. Home comfort on the hottest of days with minimum run time.
  • Minimized repair bills. Detect and fix small problems before they get worse.

HRV Cleaning

In Calgary, all homes built in 2016 or later have a Heat Recovery Ventilator (HRV). Some homes built or renovated after 2013 may also have an HRV. 


An HRV efficiently replaces stale indoor air with fresh outdoor air, all year round.


As with any other air-handling equipment in your home, your HRV should be cleaned regularly to ensure the best possible indoor air quality.


If you aren’t sure if you have an HRV, call our team to find out how you can tell.

Duct Work Sanitizing

If you or your loved ones suffer from respiratory issues or allergies, or you’re concerned about the quality of the air that you are breathing, then our sanitizing treatment will give you the reassurance that your ductwork is sterile and free of debris that could negatively impact your respiratory and overall health.


Microban is our hospital-grade sanitizing solution, which kills 99.99% of germs, viruses, funguses, molds, and other pathogens.


We also offer Benefect, an all-natural sanitizer made from plant extracts, which also kills 99.99% of germs, viruses, funguses, and molds. ​

Exhaust Flu Stack Cleaning

Mid-efficiency furnaces produce a sand-like, mildly-corrosive byproduct. This substance condenses in the exhaust flu stack and collects over time near the inducer/venter motor, restricting exhaust gas flow. Eventually, it enters the inducer motor and causes premature wear on the furnace.


Exhaust flu stack cleaning removes the build-up to reduce the chance of motor failure and maximize the life span of your furnace. Preventative maintenance ensures your furnace runs efficiently all Winter long — without costly no-heat emergencies. 

A/C + High-efficiency Bypass

The secondary heat exchanger in a high-efficiency furnace or A/C coil has delicate, closely spaced fins that must be protected during your furnace and duct cleaning.


For furnaces that require a bypass, we temporarily install a filter above the heat exchanger or A/C coil, and position our duct vacuum above the filter.


This bypass procedure prevents damage by ensuring all dust and debris in your supply duct work is collected before reaching the heat exchanger or A/C coil.


Standard furnaces without A/C don’t have secondary heat exchangers or A/C coils and don’t require the bypass procedure.

Furnace Tune Up

Regular furnace tune ups are essential to maximizing the lifespan and efficiency of your furnace, so you can rely on it to keep you warm all Winter long.​


During our 30+ point inspection, we check all furnace systems to identify components that are worn out and need replacement. Replacing parts before they break — preventative maintenance — maximizes heating efficiency, avoids no-heat emergencies, and saves on costly service calls. 


Home furnaces can last for 20 years or more if well-maintained. A professional furnace tune up every two years helps to preserve your investment for decades.

Reverse Octopus Whip Tool

The reverse octopus whip has eight 16” flexible tentacles, which whip around blasting high-pressure air in all directions as it moves through your duct work.


The tool agitates and dislodges the most hard-to-reach dust, debris, and contaminants, moving them toward our duct vacuum for collection and disposal.

Brush Cleaning Method

Our high-speed rotary brushing equipment sweeps the entire interior surface of your duct work, ensuring that all dust, debris, and pet hair are vacuumed away.


Physically cleaning the entire length of your duct work ensures that no contaminants are left behind, increasing your indoor air quality and peace of mind.

Dryer Vent Cleaning

Dryer fires are a top-five cause of house fires. Cleaning your dryer vent regularly greatly reduces the chance of a dryer fire, plus the following benefits:


  • Reduces clothes drying times
  • Lowers utility bills through greater efficiency
  • Extends the life span of your dryer
  • Lessens the amount of allergens in your house

Back Skipper Tool

The back skipper is a 1” diameter rounded ball connected to a long, flexible high-pressure airline.


The 1” ball has jets that discharge high-pressure air, pulling the tool and airline through the length of your duct work.


The high-pressure air moves the dust and debris toward our duct vacuum, where it is collected for disposal.​