- AC Sizing
AC Sizing: Why It’s Critical for Comfort and Efficiency
August 14, 2026

Hey Saskatoon, it’s never too early to start thinking about how you’re going to beat that dry summer heat.
While it’s a big investment, installing a new air conditioning (A/C) system can improve comfort, energy efficiency, and indoor air quality in your home.
If you’ve never been through the process before, you might not know what to expect. So let’s walk through it so you understand the steps involved, the options available, and what happens during installation day, so you can feel more confident and prepared.
Here we go!
Before diving into the process, it’s important to understand why investing in a new A/C system is worth considering. Common reasons include:
Improved Efficiency: Modern systems are far more energy-efficient than older models, which can save you money on your utility bills.
Comfortable All the Time: Newer systems offer better cooling, more consistent temperatures, and advanced features like zoning and smart controls.
Reduced Repairs: Maybe you enjoy a visit from your Razor techs now and again, but replacing an aging system reduces the likelihood of costly breakdowns, meaning you’re more likely to only see us a couple of times a year for maintenance.
Environmental Benefits: Many newer systems use eco-friendly refrigerants and consume less energy, reducing your carbon footprint.
Increased Home Value: A new A/C system can be an attractive feature for potential buyers.
Before the actual installation, several steps need to be completed to ensure a smooth process:
Home Assessment
Call Us! A licensed HVAC professional will evaluate your home’s size, layout, insulation, and existing ductwork. This helps determine the appropriate system size and type that will work perfectly in your home.
System Selection
Based on the assessment, you’ll choose an A/C system. Some of the options we might suggest include central air systems, ductless mini-splits, or heat pumps. Factors to consider when presented with your options include:
Quote Approval and Scheduling Installation
Once the system is selected, and you’ve okayed your quote, you’ll schedule an installation date. Ensure you’re available or have someone present to coordinate with the installation team.
On installation day, the process might look something like this:
Arrival and Setup
The installation team will arrive at the scheduled time and prepare the workspace. They’ll take measures to protect your home, such as laying down drop cloths and wearing shoe covers.
Removing the Old System
If you’re replacing an existing system, the team will safely disconnect and remove the old unit, including proper disposal of the unit and refrigerant.
Inspecting and Preparing Ductwork
For central air systems, the ductwork is inspected for leaks, damage, or debris. Any necessary repairs or cleaning are completed before the new system is connected.
Installing the New System
The new A/C unit is carefully installed, which includes:
Electrical and Refrigerant Connections
The team will connect the system to your home’s electrical supply and charge the system with refrigerant if needed.
System Testing
Once installed, the system undergoes thorough testing to ensure it operates correctly. This includes checking airflow, refrigerant levels, and thermostat communication.
Cleanup
The installation team will clean up the workspace, removing debris, old equipment, and installation materials.
After the system is installed, there are a few additional steps to complete the process:
Customer Walkthrough
The contractor will walk you through the new system, explaining how to operate it, set the thermostat, and maintain the unit.
Paperwork and Warranties
Ensure you receive all necessary paperwork, including warranties, maintenance recommendations, and user manuals.
Final Inspection
In some cases, a local inspector may need to approve the installation to ensure it meets building codes and safety standards.
Energy Efficiency Tips
The contractor may offer tips for optimizing energy efficiency, such as setting your thermostat to recommended temperatures and scheduling regular maintenance.
At Razor, we have a specific process for our A/C installations, that ensures when we leave you’re happy, and most importantly – cool! Read more about how your install with Razor would go, here.
Choose a Reputable Contractor
Work with licensed, insured professionals with strong customer reviews.
Prepare Your Space
Clear the area around the indoor and outdoor units to give the team easy access.
Ask Questions
Don’t hesitate to ask the contractor about the process, warranties, or system maintenance.
Plan for Interruptions
Be aware that the installation process may take several hours, and your cooling system will be temporarily unavailable.
Like with anything, sometimes things happen. While most installations go smoothly, here are some common issues that you could encounter.
Ductwork Issues
If your ductwork is damaged or undersized, it may need repairs or modifications to ensure the new system operates efficiently. You should be made aware of this during the initial home assessment.
Electrical Upgrades
Older homes may require electrical upgrades to handle the demands of a modern A/C system. You should also be made aware of this during the initial home assessment.
Space Constraints
Limited space for the indoor or outdoor unit may require creative solutions, such as a ductless system or compact design. Your professional will let you know about this during initial phases of your installation inquiry.
Weather Delays
Sometimes it rains. Sometimes it’s just way too hot (although hopefully, you’re planning to get your new A/C unit before the heat!). Inclement weather conditions can cause delays in outdoor work, so keep your eye on the forecast!
While DIY projects can be tempting, A/C installation is a complex process that is regulated in Saskatchewan and requires professional expertise. Here are some great benefits from hiring a licensed contractor:
Ensured Safety: Proper handling of electrical components and refrigerants ensures a safe installation.
Efficiency: Professionals optimize the system for maximum performance and energy savings.
Warranty Protection: Many manufacturers require professional installation to maintain warranty coverage.
Peace of Mind: Knowing the job is done right reduces stress and ensures long-term reliability.
So, you’re thinking about a new system. Or perhaps an upgrade…
Energy-efficient cooling systems are a great investment with many benefits. From significant cost savings and environmental impact to improved comfort and increased property value, the advantages are clear. If you’re interested in learning more about these systems and whether they are right for you, reach out online or give us a call. We’re happy to chat and lay out all your options at no obligation.