Mini-Splits
Targeted Home Comfort for Any Room
If you like room-by-room temperature control, superior air filtration, and saving your wallet and the environment at the same time, we’ve got great news.

Comfort Where You Need It, When You Want It
Adding a sunroom onto your home? Converting your garage into a gym? Tired of that one room that’s never quite comfortable? Ductless mini-splits might just be the flexible climate control solution you’ve been looking for. Make an appointment with our HVAC Installation Specialist for a free estimate for a mini-split system that’s customized for your space, needs, and budget.
Climate Solutions for Every Space
Ductless systems are the ideal heating and cooling solution for sunrooms, garages, bonus rooms, any room in your home that experiences uneven temperatures, older homes that can’t accommodate traditional ductwork, and more.
Room-by-Room Temperature Control
Each indoor unit can be independently temperature-controlled, which allows you to personalize your comfort preferences and stop wasting money and energy heating and cooling empty rooms.
Reduce Energy Usage, Not Comfort
As traditional systems move conditioned air through ductwork, energy is lost. Mini-splits, which operate without ductwork, are able to offer superior energy efficiency, using up to 40% less energy than conventional ducted systems.
Improved Air Quality
Mitsubishi mini-splits are equipped with advanced air filtration features to help reduce dust, allergens, and other pollutants in your indoor air.
Extended Warranty Protection
Trusted Dealer Partnerships, Backed by Extended Warranties
Not every HVAC contractor has the same level of manufacturer training. Alltemp is recognized by leading equipment manufacturers for our installation quality, technical expertise, and ongoing training. These partnerships help ensure your system is installed to manufacturer standards and supported with the latest product knowledge.

Mitsubishi Electric Diamond Elite Contractor
12-Year Parts Warranty
As a Pro Dealer, LG mini-splits installed by Alltemp qualify for an extended 12-year parts warranty over the base 10 years.
10-Year Extended Labor Warranty
Alltemp offer an optional 10-year extended labor warranty backed by JB Warranties.

LG Pro Dealer
12-Year Parts Warranty
As a Pro Dealer, LG mini-splits installed by Alltemp qualify for an extended 12-year parts warranty over the base 10 years.
10-Year Extended Labor Warranty
Alltemp offers an optional 10-year extended labor warranty on LG mini-splits backed by JB Warranties.
Financing & Savings Options
A new comfort system is a meaningful investment. We offer financing options and can help you explore available rebates and tax credits that may make upgrading your system more affordable.
Buy Today, Pay Over Time
Special financing available with approved credit. Call for details.
Rebates & Incentives
As an Energize Delaware Participating Contractor – and a recipient of their Residential Efficiency Century Club Award – we help to offset upgrade costs by ensuring that you don’t miss out on energy incentives you may be eligible for. We’ll apply the rebate to your proposal – no waiting period.
Tax Credits
You may be eligible for tax credits when installing qualifying energy-efficient heating and cooling equipment. Our team can help you understand which options may apply to your new system.
Mini-Split Maintenance
Reliable Comfort Starts With Routine Care

Maintenance on a mini-split involves more than just cleaning the filters – although you should definitely be doing that regularly! Seasonal tune-ups should be performed by an experienced HVAC technician during each heating and cooling season. Add your mini-split to your Maintenance Plan with Alltemp Air to ensure that a tune-up is never forgotten.
Warranty Protection
Skipping routine maintenance can void your parts and labor warranties. Seasonal tune-ups protect your investment.
Prevent Breakdowns
Small issues can be identified and addressed during routine inspections before they become larger, more expensive problems.
Increase Energy Efficiency
Ductless heat pumps are exceptionally energy efficient – but a lack of regular maintenance can force them to work harder, causing them to use more energy than they otherwise would.
Extend Equipment Lifespan
Well-cared-for mini-splits don’t have to work as hard to maintain temperatures as those that never see routine maintenance, which means they often last longer.
We Repair Ductless Mini-Splits
As a Mitsubishi Diamond Elite Contractor and an LG Pro Dealer, you can be sure that our technicians undergo regular factory training and are well-equipped to diagnose and repair any issues with your ductless heat pump.
If you’re experiencing any of these issues with your mini-split, it’s time to give our technicians a call:
- Your mini-split struggles to maintain even temperatures
- The system cycles on and off frequently
- You hear loud or unusual noises
- You smell odd or musty odors coming from the indoor heads
- You see evidence of leaking or water damage
Alltemp is just a call away to diagnose the problem and provide solutions – no upselling, no guesswork.
Why Choose Alltemp Air
Whether you need a small repair or a brand new system, homeowners across the Delaware shore have trusted Alltemp for over 30 years. We show up on time, give you honest advice, and handle every job – from a quick fix to a full installation – with the same commitment to quality workmanship.

Expert System Design
Interested in installing a ductless mini-split? Our HVAC Installation Specialist will carefully evaluate your home, performing a load calculation to ensure your new system is properly sized for maximum comfort, performance, and efficiency.

Local Experience You Can Trust
We know the Delaware shore, and we treat our customers like neighbors, because we are your neighbors. We’re locally owned, we live here, and our reputation stays here.

We Follow Through
If something’s not right, we fix it. No excuses, deflection, or ghosting. That means fewer surprises, better long-term performance, and the comfort of knowing you don’t have to deal with things alone.

Sit Back, We’ve Got This
From the first call on, you don’t have to manage the process, coordinate next steps, or wonder what happens next. Alltemp takes ownership of the details so you feel entirely taken care of.
FAQs
You’ve got questions? We’ve got answers.
If you can’t find the answer to your question, feel free to contact us here.
How often should I schedule maintenance for my mini-split system?
As with any home comfort system, our recommendation is to schedule two preventative maintenance services for your mini-split each year: one during heating season and one during cooling season. We highly recommend signing up for an annual Maintenance Plan for your ductless system, which offers the best value and ensures that routine maintenance is never skipped.
How often should I clean the filters in my mini-splits?
Each indoor head in your ductless system contains a washable filter. While your owner’s manual will contain instructions specific to your mini-split system, as a general rule, we recommend cleaning the filters every thirty days. If you find that your filters are especially dirty, they may need to be cleaned more often.
What is included in a mini-split tune-up?
When an experienced Alltemp technician comes to your home to perform a preventative maintenance on your mini-split system, they will clean your filters, clear drain lines, inspect electrical components, verify proper refrigerant charge, rinse the indoor coil with diluted cleaning solution, and more. You can find our complete ductless heat pump maintenance checklist here!
Can I heat and cool my whole home with a ductless mini-split system?
Yes, you can heat and cool your whole home using ductless mini-splits. However, this may not be the best solution in every scenario. If you have existing ductwork in good condition, it may make more sense to upgrade your central HVAC system instead of opting for mini-splits. We recommend weighing factors such as project budget, initial investment versus long-term energy savings, existing ductwork condition or practicality of ductwork installation, the quantity of indoor and outdoor units that would be required, and more. Our HVAC Installation Specialist can evaluate your home and provide more information to help you decide whether ductless mini-splits are the best option for you.
What does it mean to be a Mitsubishi Diamond Elite Contractor?
Diamond Elite is the highest tier of Mitsubishi’s HVAC contractor program. In order to achieve this designation, a company must demonstrate exceptional customer service and product knowledge. Our technicians take part in annual factory training and our team must meet a certain sales threshold each year in order to qualify, which means that our practical knowledge is backed by experience in the field. Because of our Diamond Elite status, we are authorized to provide an extended 12-year parts warranty on our Mitsubishi mini-split installations instead of the base 10-year parts warranty.
The Delaware Shore's Trusted HVAC Team.
Whether you need a repair, routine maintenance, or a complete system replacement, our team is here to help. Contact us today to schedule service or request a free estimate.