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30'x60' Quonset greenhouse frames are also known as “high tunnel greenhouses
20'x95' Semi-Gable greenhouse frames have taller sidewalls that reach a higher peak than the Quonset greenhouse frame type
It is very important for thermostats and sensors to be properly placed and exhaust fans to be properly sized or they will not be able to ventilate the greenhouse efficiently
The TrolMaster DCC-1 provides a simple solution to control a single device
Modine PTP Greenhouse Heater channel wire lock 30'x60' Quonset greenhouse frames areHortitech offers FREE SHIPPING on all Modine products. Our take on Modine for greenhouse applications Modine stands by their warranty which isn't the case for many heater manufacturers due to humidity typical of greenhouse environments. Don't get us wrong, there are other manufacturers that manufacture solid gas fired heaters, but none we've found that can beat the value of the Modine PTP series on price, and the PTC line for efficiency (93 97%) in