Targeted comfort for a basement: precise heating, healthy air and silence, without heavy work
At AirGreen , we have just completed the HVAC installation of a Gree Livo R32 wall-mounted heat pump in a family room in the basement of a house in Sainte-Thérèse (North Shore). The owner's objective was clear: stabilize the temperature of this semi-buried living space, reduce summer humidity and supplement an existing wood stove during cold snaps, all with a discreet, reliable and economical solution.
Why an R-32 wall-mounted heat pump for a North Shore basement?
The Livo R32 combines low-temperature heating efficiency , inverter modulation and low power consumption . In a basement, these advantages translate into:
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Regular heating down to approx. −25°C depending on the selected capacity, ideal for relieving the electrical backup and avoiding cold spots near the floor.
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Soft start and fine modulation : fewer jolts, stable temperature around the setpoint and measurable savings.
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Effective dehumidification in summer, limiting odors and the development of mold typical of basements.
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Silence inside and out, crucial for a TV room or an office.
Study of space: real constraints of an inhabited basement
The volume has a low ceiling with recessed lights , a decorative wall and the presence of a stove flue in a corner. Our priorities:
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Placement of the inner head high enough for optimal sweeping, without direct blowing onto the seating area.
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Maintain clearances around the unit (top/front/sides) according to the manufacturer's guide to maintain air circulation and facilitate maintenance.
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Compatibility with the wood stove : the heat pump takes over to maintain a constant temperature when the fireplace is off or burning; it prevents local overheating by modulating automatically.
Installation details: clean, discreet and durable
Refrigeration and electrical routing
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The refrigerant connections (insulated copper) and the communication cable were integrated into the partition in order to preserve the aesthetics of the room.
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The crossing to the outside is made with a waterproof sleeve and a vapor barrier to protect the envelope.
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The power supply is on a dedicated circuit with a circuit breaker sized according to the nameplate.
Condensate drainage
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Installation of a gravity drain with a regular slope to the planned evacuation in the basement.
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Integrated siphoning and odor control . If gravity is not available on other sites, we provide a condensate pump with a safety tank; here, the natural slope was sufficient.
Support and finishes
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Mounting plate anchored to structure, laser level control, silent blocks to reduce vibrations in inverter mode.
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Neat finishing : flush screws, light peripheral seal, lower cover correctly clipped to avoid any parasitic noise.
Sizing and commissioning: our quality protocol
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Simplified load calculation based on the volume, insulation, orientation and use of the wood stove.
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Nitrogen pressure testing and deep vacuum to ensure a dry and leak-proof circuit.
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Load adjustment according to actual line length (manufacturer table).
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Reading of hot and cold parameters (ΔT, intensity, pressures), verification of night silence mode and automatic scanning .
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Customer delivery : recommended settings, programming, best practices and HVAC maintenance schedule.
Result: consistent comfort and healthier air
The space now benefits from:
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constant heating without overheating near the stove;
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dehumidification that sanitizes the room, protects the finishes and improves the feeling of comfort;
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with a very low noise level , compatible with relaxation and teleworking.
The owner noticed temperature stability from the first days and a significantly reduced basement odor thanks to the Dry mode used in mid-season.
AirGreen Best Practices for Basements
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Avoid installing the head directly above a heat source (stove, convector) to avoid disturbing the probe.
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Maintain clear clearances in front of the unit: no tall furniture or shelves in the blowing cone.
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Clean the filters every 6 to 8 weeks during use.
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Reasonable and constant instructions : no need to yo-yo, the inverter modulation does the job with better efficiency.
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Humidity monitoring : aim for 45–55%; in summer, use Dry mode with gentle blowing.
Recommended maintenance
Annual maintenance prevents 90% of avoidable breakdowns and maintains efficiency:
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Dusting and washing of indoor/outdoor batteries ;
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Checking the tightening and condition of the insulation ;
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Checking refrigeration and pump/drain parameters;
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Update of comfort functions (timer, silence, sweep) according to the family's actual use.
Subsidies, efficiency and support
High-efficiency R-32 wall-mounted heat pumps may be eligible for assistance programs in Quebec, depending on configuration and performance. We support our customers in Sainte-Thérèse , the North Shore , Montreal , Laval and the South Shore in verifying eligibility , preparing documents and submitting applications to maximize return on investment.
Why AirGreen for your HVAC installation in Sainte-Thérèse and Greater Montreal
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Basement control : heterogeneous envelopes, drains, humidity management, cohabitation with fireplaces.
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Certified technicians on Gree , Sharp , Fujitsu , Midea and other major brands.
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Rigorous sizing, testing and commissioning process .
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Complete service : estimate, installation, HVAC maintenance and rapid troubleshooting .
Conclusion
This Gree Livo R32 wall-mounted heat pump installation in Sainte-Thérèse transforms a basement into a comfortable space all year round , with better controlled consumption, less humidity and discreet operation . This is the type of intervention we like to deliver: clean, sustainable, and calibrated for the climatic reality of Greater Montreal.