In greenhouses, propagation rooms, drying spaces, and packhouses, a few degrees and a few points of relative humidity are the difference between premium-grade crops and mould, mildew, or stalled growth. Cannabis dry rooms in particular live on a knife-edge of temperature, humidity, and airflow - and the equipment has to deliver, every cycle. For 56 years, Fraser Valley growers have trusted Alpine to engineer the climate control that protects yield, quality, and licensing compliance.
Whether you're growing nursery stock in Chilliwack, cucumbers in Abbotsford, or licensed cannabis with strict environmental targets, we design climate systems that hold the setpoints your crop actually wants.
We've designed and serviced climate systems across the Valley's full horticultural mix: ornamental nurseries, hothouse vegetable producers, mushroom growers, specialty cut flowers, propagation rooms, and licensed cannabis cultivation and drying. The greenhouse industry has evolved through five generations of controls - we've evolved with it.
Cannabis cultivation, mother and clone rooms, vegetative and flower rooms, and post-harvest dry/cure spaces all have aggressive temperature and humidity targets - typically ±2°F and ±5% RH. We engineer to those tolerances, with redundancy and monitoring that satisfies the Health Canada and provincial inspection regimes.
Energy is the single biggest operating cost in protected agriculture. We design with high-efficiency condensing units, variable-speed compressors, EC fan motors, and demand-driven controls that hold setpoints with the minimum kWh - and the maximum hours between failures.
A failed climate system in a flower room is a yield event measured in tens of thousands of dollars. Our emergency line connects directly to an on-call refrigeration technician - 2-hour average response across the Valley, regardless of the day or the time of year.
From cut-flower holding to bulb and seedling storage to hothouse vegetable pre-cooling, walk-in coolers are the backbone of post-harvest quality. We design rooms with the right evaporator coil sizing, airflow pattern, and door logistics so the crop is held at the right temperature without dehydrating or condensing.
For systems requiring centralized cooling distribution, such as hydroponic operations or multi-room facilities, we design and install custom water- and glycol-based systems. These deliver clean, quieter, more flexible refrigeration capacity for greenhouse air handlers, propagation chambers, and shared cooling loads.
Excess humidity causes operational losses - botrytis on flowers, powdery mildew on cucumbers, lost dry weight on cannabis. We design dehumidification, ventilation, and integrated refrigeration so RH holds inside the crop's specific window, even through transpiration peaks and seasonal swings.
The cold chain breaks at the packing bench and the loading dock. Cooling subsystems for packhouses, sorting lines, and shipping areas need to maintain crop temperature while accommodating high traffic, frequent door cycles, and sanitation protocols. We design refrigeration that works around the operation, not against it.
Whether you're building a new greenhouse, upgrading a multi-room cannabis cultivation facility, or retrofitting an old cold room with smart controls, we'd like to start with a conversation in your space.
For emergencies, please call dispatch directly. For climate assessments, walk-in coolers, chillers, and humidity control, submit the form and we'll get back within 2 business hours.
Freshly painted across our Chilliwack shop, the mural is a new Fraser Valley landmark, and a fitting one. Local artist Jack Hendsbee brought the mountain to life, and it will feature in the Chilliwack Mural Festival. The peak has been our namesake since 1969, and it is the standard we bring to every install, service call, and 2 AM emergency. We back the local community the way it has backed us.
24/7 Emergency · 604.795.5777