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Guardian HVAC does not recommend that anyone attempt to work on their HVAC equipment. Always contact a licensed HVAC professional for service, diagnosis, maintenance, repairs, and installation.
So, this is really a loaded question because there are many things that can cause your system not to cool. Rather than boring you with all the potential issues that could lead you down a rabbit hole, I figured I would provide some basic things to check before calling an HVAC company. The key thing […]
Understanding Thermostat Power There are several reasons why your thermostat could be blank. Before diving into exactly what could be the cause, it is important to understand the anatomy of the thermostat and where it receives its power. Most traditional thermostats today have low-voltage wiring coming from the air handler to the thermostat, supplying both […]
Homeowner Drain Line Maintenance: Simple Steps to Prevent Costly Problems Nobody likes paying for a service call—especially when the issue turns out to be something simple you could have handled yourself. One of the most common (and preventable) HVAC problems homeowners face is a clogged drain line. Routine maintenance isn’t just a recommendation—it’s often required […]
The average cost of compressor replacement largely relies on whether your compressor is covered under the manufacturer’s warranty. Most systems these days come with a 10-year factory compressor warranty for residential applications. In this case, the compressor would be covered by the manufacturer. What most people fail to understand up front is that the refrigerant […]
Yes, We are available 7 days a week to schedule these types of diagnostics and repair.
Yes, In most cases we are able to serve the greater Jacksonville area in the same day. There are times of the year during heat waves that become more difficult to serve every customer, however we prioritize the dispatch schedule based on these types of calls. We always get to our emergency calls first.
Why is my AC blowing warm air instead of cold air? If your air conditioner is set to cooling mode but is blowing warm air, don’t immediately assume you need a new system. There are several common causes, some of which you can safely check yourself before calling an HVAC contractor. If the issue turns […]
If your air conditioner is leaking water, the first thing to determine is where the water is coming from. A traditional heat pump split system has an indoor unit and an outdoor unit. During a Jacksonville summer, it is common to see condensation around the outdoor unit. Water may come from the weep holes, which […]
1. What Actually Causes an Air Conditioner to Freeze Up? There are only a few reasons an air conditioning system will freeze up while it’s operating in cooling mode. Before we answer that question, it’s important to understand how your air conditioner works. Your air conditioning system has two main sections: an indoor unit and […]
Introduction This educational guide explains six of the most common reasons an outdoor air conditioning unit may not start. It is intended to help homeowners better understand how their HVAC system works and recognize when it is time to contact a qualified HVAC technician. It is not a substitute for professional diagnosis or electrical service. […]
It’s recommended to call a licensed professional for all types of HVAC work. However, Replacing your thermostat has become more of a DIY project and as long as you pay close attention to the instructions you should be safe. You will need some tools and remember to turn the power off at the breaker, the […]
Its recommended by the manufacture to have this service completed by a licensed contractor 2x per year. The reason for this is due to expansion and contraction. The other reason is because heat pumps have 2 modes and just because everything is cooling fine in the summer it doesn’t mean there isn’t something happening in […]
So, this is really a loaded question because there are many things that can cause your system not to cool. Rather than boring you with all the potential issues that could lead you down a rabbit hole, I figured I would provide some basic things to check before calling an HVAC company. The key thing […]
Yes, We are available 7 days a week to schedule these types of diagnostics and repair.
Yes, In most cases we are able to serve the greater Jacksonville area in the same day. There are times of the year during heat waves that become more difficult to serve every customer, however we prioritize the dispatch schedule based on these types of calls. We always get to our emergency calls first.
Why is my AC blowing warm air instead of cold air? If your air conditioner is set to cooling mode but is blowing warm air, don’t immediately assume you need a new system. There are several common causes, some of which you can safely check yourself before calling an HVAC contractor. If the issue turns […]
If your air conditioner is leaking water, the first thing to determine is where the water is coming from. A traditional heat pump split system has an indoor unit and an outdoor unit. During a Jacksonville summer, it is common to see condensation around the outdoor unit. Water may come from the weep holes, which […]
1. What Actually Causes an Air Conditioner to Freeze Up? There are only a few reasons an air conditioning system will freeze up while it’s operating in cooling mode. Before we answer that question, it’s important to understand how your air conditioner works. Your air conditioning system has two main sections: an indoor unit and […]
Introduction This educational guide explains six of the most common reasons an outdoor air conditioning unit may not start. It is intended to help homeowners better understand how their HVAC system works and recognize when it is time to contact a qualified HVAC technician. It is not a substitute for professional diagnosis or electrical service. […]
Understanding Thermostat Power There are several reasons why your thermostat could be blank. Before diving into exactly what could be the cause, it is important to understand the anatomy of the thermostat and where it receives its power. Most traditional thermostats today have low-voltage wiring coming from the air handler to the thermostat, supplying both […]
It’s recommended to call a licensed professional for all types of HVAC work. However, Replacing your thermostat has become more of a DIY project and as long as you pay close attention to the instructions you should be safe. You will need some tools and remember to turn the power off at the breaker, the […]
Homeowner Drain Line Maintenance: Simple Steps to Prevent Costly Problems Nobody likes paying for a service call—especially when the issue turns out to be something simple you could have handled yourself. One of the most common (and preventable) HVAC problems homeowners face is a clogged drain line. Routine maintenance isn’t just a recommendation—it’s often required […]
Its recommended by the manufacture to have this service completed by a licensed contractor 2x per year. The reason for this is due to expansion and contraction. The other reason is because heat pumps have 2 modes and just because everything is cooling fine in the summer it doesn’t mean there isn’t something happening in […]
System Cleaning & Sanitation – Surface clean and disinfect evaporator and condenser coils – Chemically clean and flush the condensate drain line – Inspect and clean drain pan – Verify proper condensate flow and test safety switches (if equipped) ✔️ Performance Testing & Measurements – Check refrigerant pressures – Measure temperature splits (supply/return) – Verify […]
This is a common question we get, The filter companies will say 30-60-90 days however everyone’s dust level in they’re homes are different so a filter that would last 90 days in a household of 1 is much different than a household of 4-5 people with animals.So we recommend checking the filter monthly and discard […]
Short answer is Yes. Keeping it clean can save you money on your utility bill. If your system is already clean, will cleaning it save you additional money? No If your system has not been serviced in a while and it appears dirty, then there is a good chance that having it professionally cleaned will […]
The average cost of compressor replacement largely relies on whether your compressor is covered under the manufacturer’s warranty. Most systems these days come with a 10-year factory compressor warranty for residential applications. In this case, the compressor would be covered by the manufacturer. What most people fail to understand up front is that the refrigerant […]
There is a wide range of costs on a new AC system. To name a few Direct them to our instant quote tool
We service all makes and models of equipment for both residential and light commercial. We are a Factory Authorized dealer of the Bosch Brand we are also a authorized installer of Bryant and Comfortmaker.
Yes, we offer financing for the complete installation of a new system with a wide range of finance options to meet just about everyone’s budget.
Its recommended by the manufacture to have this service completed by a licensed contractor 2x per year. The reason for this is due to expansion and contraction. The other reason is because heat pumps have 2 modes and just because everything is cooling fine in the summer it doesn’t mean there isn’t something happening in […]
If your home feels humid even though the air conditioner is running, the first step is determining why the system or home is not properly controlling humidity. At Guardian Heating & Air, we take a whole-home approach. We start with the mechanical equipment, verify that the system is properly sized, and, when necessary, evaluate the […]
Most HVAC company’s charge a fee to come take a look to cover the cost to get a technician out to your home. Guardian calls this a dispatch fee. During certain times of the year all AC companies including Guardian will offer a special where we waive the fee with a paid repair. It’s recommended […]
Guardian Serves all of the greater Jacksonville areas and the beaches. Our service area extends down to St. Augustine all the way up to the north end of the 295 belt-way.
Right away, our schedule fills up quickly in the summer months and it is first come first serve on a priority based schedule, meaning we take care of all emergencies first.
Yes, Guardian HVAC LLC, DBA Guardian Heating and Air is fully licensed in Florida and registered with the DBPR. Our licensed number is CAC1823087. We are fully insured for general Liability and workers compensation.
See FAQ Why is my AC not cooling this will help walk you through steps to diagnosing some basic things.
Can’t find the answer you’re looking for? Our team is available 7 days a week.